Add 7/36 and 9/20
7/36 + 9/20 is 29/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
9/20 = 9 × 9/20 × 9 = 81/180 - Add the two like fractions:
35/180 + 81/180 = 35 + 81/180 = 116/180 - 116/180 simplified gives 29/45
- So, 7/36 + 9/20 = 29/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36+9/20 7/36+18/20 7/72+9/20 7/36+9/40 21/36+9/20 7/36+27/20 7/36+9/60 35/36+9/20 7/36+45/20 49/36+9/20 7/36+63/20