Add 7/8 and 72/7
1st number: 7/8, 2nd number: 10 2/7
7/8 + 72/7 is 625/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
7/8 = 7 × 7/8 × 7 = 49/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
72/7 = 72 × 8/7 × 8 = 576/56 - Add the two like fractions:
49/56 + 576/56 = 49 + 576/56 = 625/56 - So, 7/8 + 72/7 = 625/56
In mixed form: 119/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+72/7 7/16+72/7 7/8+72/14 21/8+72/7 7/24+72/7 7/8+72/21 35/8+72/7 7/40+72/7 7/8+72/35 49/8+72/7 7/56+72/7 7/8+72/49