Add 8/7 and 90/56
1st number: 1 1/7, 2nd number: 1 34/56
8/7 + 90/56 is 11/4.
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,
8/7 = 8 × 8/7 × 8 = 64/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
90/56 = 90 × 1/56 × 1 = 90/56 - Add the two like fractions:
64/56 + 90/56 = 64 + 90/56 = 154/56 - 154/56 simplified gives 11/4
- So, 8/7 + 90/56 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+90/56 8/14+90/56 24/7+90/56 8/21+90/56 40/7+90/56 8/35+90/56 56/7+90/56 8/49+90/56