Subtract 12/15 from 9/32
9/32 - 12/15 is -83/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 15 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
9/32 = 9 × 15/32 × 15 = 135/480 - Likewise, for the 2nd fraction, since 15 × 32 = 480,
12/15 = 12 × 32/15 × 32 = 384/480 - Subtract the two like fractions:
135/480 - 384/480 = 135 - 384/480 = -249/480 - After reducing the fraction, the answer is -83/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/32-12/15 9/32-24/15 9/64-12/15 9/32-12/30 27/32-12/15 9/32-36/15 9/96-12/15 9/32-12/45 45/32-12/15 9/32-60/15 9/32-12/75 63/32-12/15 9/32-84/15