Add 75/8 and 21/28
1st number: 9 3/8, 2nd number: 21/28
75/8 + 21/28 is 81/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
75/8 = 75 × 7/8 × 7 = 525/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
21/28 = 21 × 2/28 × 2 = 42/56 - Add the two like fractions:
525/56 + 42/56 = 525 + 42/56 = 567/56 - 567/56 simplified gives 81/8
- So, 75/8 + 21/28 = 81/8
In mixed form: 101/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/8+42/28 75/16+21/28 75/8+21/56 75/8+63/28 75/24+21/28 75/8+21/84 75/40+21/28 75/56+21/28