Subtract 20/7 from 75/32
1st number: 2 11/32, 2nd number: 2 6/7
75/32 - 20/7 is -115/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 7 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
75/32 = 75 × 7/32 × 7 = 525/224 - Likewise, for the 2nd fraction, since 7 × 32 = 224,
20/7 = 20 × 32/7 × 32 = 640/224 - Subtract the two like fractions:
525/224 - 640/224 = 525 - 640/224 = -115/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/32-40/7 75/64-20/7 75/32-20/14 75/32-60/7 75/96-20/7 75/32-20/21 75/32-20/35 75/32-20/49