Subtract 45/32 from 9/15
1st number: 9/15, 2nd number: 1 13/32
9/15 - 45/32 is -129/160.
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,
9/15 = 9 × 32/15 × 32 = 288/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
45/32 = 45 × 15/32 × 15 = 675/480 - Subtract the two like fractions:
288/480 - 675/480 = 288 - 675/480 = -387/480 - After reducing the fraction, the answer is -129/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15-45/32 9/15-90/32 9/30-45/32 9/15-45/64 27/15-45/32 9/45-45/32 9/15-45/96 45/15-45/32 9/75-45/32 63/15-45/32