Subtract 9/32 from 3/15
3/15 - 9/32 is -13/160.
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,
3/15 = 3 × 32/15 × 32 = 96/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
9/32 = 9 × 15/32 × 15 = 135/480 - Subtract the two like fractions:
96/480 - 135/480 = 96 - 135/480 = -39/480 - After reducing the fraction, the answer is -13/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-9/32 3/15-18/32 3/30-9/32 3/15-9/64 9/15-9/32 3/15-27/32 3/45-9/32 3/15-9/96 3/15-45/32 3/75-9/32 21/15-9/32 3/15-63/32