Add 42/28 and 63/56
1st number: 1 14/28, 2nd number: 1 7/56
42/28 + 63/56 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
42/28 = 42 × 2/28 × 2 = 84/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
63/56 = 63 × 1/56 × 1 = 63/56 - Add the two like fractions:
84/56 + 63/56 = 84 + 63/56 = 147/56 - 147/56 simplified gives 21/8
- So, 42/28 + 63/56 = 21/8
In mixed form: 25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+63/56 42/56+63/56 42/84+63/56