Add 42/56 and 9/28
42/56 + 9/28 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 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 28 × 2 = 56,
9/28 = 9 × 2/28 × 2 = 18/56 - Add the two like fractions:
42/56 + 18/56 = 42 + 18/56 = 60/56 - 60/56 simplified gives 15/14
- So, 42/56 + 9/28 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+9/28 42/56+18/28 42/56+9/56 42/56+27/28 42/56+9/84 42/56+45/28 42/56+63/28