Add 20/36 and 56/7
1st number: 20/36, 2nd number: 8 0/7
20/36 + 56/7 is 77/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
56/7 = 56 × 36/7 × 36 = 2016/252 - Add the two like fractions:
140/252 + 2016/252 = 140 + 2016/252 = 2156/252 - 2156/252 simplified gives 77/9
- So, 20/36 + 56/7 = 77/9
In mixed form: 85/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+56/7 20/72+56/7 20/36+56/14 60/36+56/7 20/36+56/21 20/36+56/35 20/36+56/49