Add 27/42 and 56/70
27/42 + 56/70 is 101/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
27/42 = 27 × 5/42 × 5 = 135/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
56/70 = 56 × 3/70 × 3 = 168/210 - Add the two like fractions:
135/210 + 168/210 = 135 + 168/210 = 303/210 - 303/210 simplified gives 101/70
- So, 27/42 + 56/70 = 101/70
In mixed form: 131/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+56/70 27/84+56/70 81/42+56/70