Add 3/7 and 63/8
1st number: 3/7, 2nd number: 7 7/8
3/7 + 63/8 is 465/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
3/7 = 3 × 8/7 × 8 = 24/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
63/8 = 63 × 7/8 × 7 = 441/56 - Add the two like fractions:
24/56 + 441/56 = 24 + 441/56 = 465/56 - So, 3/7 + 63/8 = 465/56
In mixed form: 817/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+63/8 3/14+63/8 3/7+63/16 9/7+63/8 3/21+63/8 3/7+63/24 15/7+63/8 3/35+63/8 3/7+63/40 21/7+63/8 3/49+63/8 3/7+63/56