Subtract 21/32 from 35/28
1st number: 1 7/28, 2nd number: 21/32
35/28 - 21/32 is 19/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 28 × 8 = 224,
35/28 = 35 × 8/28 × 8 = 280/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
21/32 = 21 × 7/32 × 7 = 147/224 - Subtract the two like fractions:
280/224 - 147/224 = 280 - 147/224 = 133/224 - After reducing the fraction, the answer is 19/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-21/32 35/28-42/32 35/56-21/32 35/28-21/64 35/28-63/32 35/84-21/32 35/28-21/96