Add 8/7 and 30/8
1st number: 1 1/7, 2nd number: 3 6/8
8/7 + 30/8 is 137/28.
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,
8/7 = 8 × 8/7 × 8 = 64/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
30/8 = 30 × 7/8 × 7 = 210/56 - Add the two like fractions:
64/56 + 210/56 = 64 + 210/56 = 274/56 - 274/56 simplified gives 137/28
- So, 8/7 + 30/8 = 137/28
In mixed form: 425/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+30/8 8/7+60/8 8/14+30/8 8/7+30/16 24/7+30/8 8/7+90/8 8/21+30/8 8/7+30/24 40/7+30/8 8/35+30/8 8/7+30/40 56/7+30/8 8/49+30/8 8/7+30/56