Add 2/7 and 90/8
1st number: 2/7, 2nd number: 11 2/8
2/7 + 90/8 is 323/28.
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,
2/7 = 2 × 8/7 × 8 = 16/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
90/8 = 90 × 7/8 × 7 = 630/56 - Add the two like fractions:
16/56 + 630/56 = 16 + 630/56 = 646/56 - 646/56 simplified gives 323/28
- So, 2/7 + 90/8 = 323/28
In mixed form: 1115/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+90/8 2/14+90/8 2/7+90/16 6/7+90/8 2/21+90/8 2/7+90/24 10/7+90/8 2/35+90/8 2/7+90/40 14/7+90/8 2/49+90/8 2/7+90/56