Add 63/7 and 21/56
1st number: 9 0/7, 2nd number: 21/56
63/7 + 21/56 is 75/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
63/7 = 63 × 8/7 × 8 = 504/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Add the two like fractions:
504/56 + 21/56 = 504 + 21/56 = 525/56 - 525/56 simplified gives 75/8
- So, 63/7 + 21/56 = 75/8
In mixed form: 93/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/7+42/56 63/14+21/56 63/7+63/56 63/21+21/56 63/35+21/56 63/49+21/56