Subtract 20/28 from 35/32
1st number: 1 3/32, 2nd number: 20/28
35/32 - 20/28 is 85/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 28 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
35/32 = 35 × 7/32 × 7 = 245/224 - Likewise, for the 2nd fraction, since 28 × 8 = 224,
20/28 = 20 × 8/28 × 8 = 160/224 - Subtract the two like fractions:
245/224 - 160/224 = 245 - 160/224 = 85/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32-20/28 35/32-40/28 35/64-20/28 35/32-20/56 35/32-60/28 35/96-20/28 35/32-20/84