Subtract 20/32 from 20/35
20/35 - 20/32 is -3/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 35 × 32 = 1120,
20/35 = 20 × 32/35 × 32 = 640/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
20/32 = 20 × 35/32 × 35 = 700/1120 - Subtract the two like fractions:
640/1120 - 700/1120 = 640 - 700/1120 = -60/1120 - After reducing the fraction, the answer is -3/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-20/32 20/35-40/32 20/70-20/32 20/35-20/64 60/35-20/32 20/35-60/32 20/35-20/96