Subtract 10/15 from 40/32
1st number: 1 8/32, 2nd number: 10/15
40/32 - 10/15 is 7/12.
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,
40/32 = 40 × 15/32 × 15 = 600/480 - Likewise, for the 2nd fraction, since 15 × 32 = 480,
10/15 = 10 × 32/15 × 32 = 320/480 - Subtract the two like fractions:
600/480 - 320/480 = 600 - 320/480 = 280/480 - After reducing the fraction, the answer is 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/32-10/15 40/32-20/15 40/64-10/15 40/32-10/30 40/32-30/15 40/96-10/15 40/32-10/45 40/32-50/15 40/32-10/75 40/32-70/15