Add 27/36 and 56/70
27/36 + 56/70 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
27/36 = 27 × 35/36 × 35 = 945/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
56/70 = 56 × 18/70 × 18 = 1008/1260 - Add the two like fractions:
945/1260 + 1008/1260 = 945 + 1008/1260 = 1953/1260 - 1953/1260 simplified gives 31/20
- So, 27/36 + 56/70 = 31/20
In mixed form: 111/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+56/70 27/72+56/70 81/36+56/70