Subtract 42/20 from 35/32
1st number: 1 3/32, 2nd number: 2 2/20
35/32 - 42/20 is -161/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
35/32 = 35 × 5/32 × 5 = 175/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
42/20 = 42 × 8/20 × 8 = 336/160 - Subtract the two like fractions:
175/160 - 336/160 = 175 - 336/160 = -161/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32-42/20 35/32-84/20 35/64-42/20 35/32-42/40 35/96-42/20 35/32-42/60