Add 42/56 and 27/7
1st number: 42/56, 2nd number: 3 6/7
42/56 + 27/7 is 129/28.
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,
27/7 = 27 × 8/7 × 8 = 216/56 - Add the two like fractions:
42/56 + 216/56 = 42 + 216/56 = 258/56 - 258/56 simplified gives 129/28
- So, 42/56 + 27/7 = 129/28
In mixed form: 417/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+27/7 42/56+54/7 42/56+27/14 42/56+81/7 42/56+27/21 42/56+27/35 42/56+27/49