algebraic fractions
DESCRIPTION
Examples and explanation of adding fractions with a common denominator, different denominators, multiplying fractions and dividing fractions.TRANSCRIPT
![Page 1: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/1.jpg)
• Adding with Common Denominators
• Adding with Different Denominators
• Multiplying
• Dividing
Fractions
![Page 2: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/2.jpg)
𝑦6
+2 𝑦6
=¿
If the base (denominator) is the same…
Add straight across the top (numerators)
Add/Subtract Common Denominators
![Page 3: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/3.jpg)
3 𝑦6
=¿
Can it be simplified?
![Page 4: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/4.jpg)
3÷ 3 𝑦6÷3
=¿
3
![Page 5: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/5.jpg)
=
Add the numerators
Simplify
![Page 6: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/6.jpg)
![Page 7: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/7.jpg)
𝑦6
+2 𝑦5
=¿
Make the bases the same
(choose a common denominator)
Add/Subtract Different Denominators
![Page 8: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/8.jpg)
Multiply top & bottom by the SAME number.
(changes the look not the fraction)
30
![Page 9: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/9.jpg)
5 𝑦30
+12 𝑦30
=¿
Now the base (denominator) is the same…
Add straight across the top (numerators).
![Page 10: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/10.jpg)
17 𝑦30
=¿
Can it be simplified?
![Page 11: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/11.jpg)
=
Make denominators the same
Simplify if you can!
Multiply top and bottom by same number
Add the numerators
![Page 12: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/12.jpg)
![Page 13: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/13.jpg)
𝑦2×43 𝑥
=¿
Multiply straight across the top (numerators)
Multiply
Multiply straight across the bottom
(denominators)
![Page 14: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/14.jpg)
4 𝑦6𝑥
=¿
Can it be simplified?
![Page 15: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/15.jpg)
4÷ 2𝑦6÷ 2𝑥
=¿
2
![Page 16: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/16.jpg)
=
Multiply numerators,
multiply denominators
Simplify
![Page 17: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/17.jpg)
![Page 18: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/18.jpg)
𝑦2÷43 𝑥
=¿
Divide
Flip the second fraction upside down
(invert)
![Page 19: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/19.jpg)
𝑦2×3 𝑥4
=¿
Multiply straight across the top (numerators)
Multiply straight across the bottom
(denominators)
![Page 20: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/20.jpg)
3𝑥𝑦8
=¿
Can it be simplified?
![Page 21: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/21.jpg)
=
Flip the second fraction
Simplify if you can!
Multiply numerators,
multiply denominators
![Page 22: Algebraic fractions](https://reader036.vdocuments.mx/reader036/viewer/2022081519/557d76a4d8b42a2c428b4a77/html5/thumbnails/22.jpg)