Subtract 72/32 from 4/15
1st number: 4/15, 2nd number: 2 8/32
4/15 - 72/32 is -119/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 15 × 32 = 480,
4/15 = 4 × 32/15 × 32 = 128/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
72/32 = 72 × 15/32 × 15 = 1080/480 - Subtract the two like fractions:
128/480 - 1080/480 = 128 - 1080/480 = -952/480 - After reducing the fraction, the answer is -119/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-72/32 4/30-72/32 4/15-72/64 12/15-72/32 4/45-72/32 4/15-72/96 20/15-72/32 4/75-72/32 28/15-72/32