Add 42/56 and 2/7
42/56 + 2/7 is 29/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
2/7 = 2 × 8/7 × 8 = 16/56 - Add the two like fractions:
42/56 + 16/56 = 42 + 16/56 = 58/56 - 58/56 simplified gives 29/28
- So, 42/56 + 2/7 = 29/28
In mixed form: 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+2/7 42/56+4/7 42/56+2/14 42/56+6/7 42/56+2/21 42/56+10/7 42/56+2/35 42/56+14/7 42/56+2/49