Subtract 18/96 from 20/15
1st number: 1 5/15, 2nd number: 18/96
20/15 - 18/96 is 55/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 15 × 32 = 480,
20/15 = 20 × 32/15 × 32 = 640/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
18/96 = 18 × 5/96 × 5 = 90/480 - Subtract the two like fractions:
640/480 - 90/480 = 640 - 90/480 = 550/480 - After reducing the fraction, the answer is 55/48
- In mixed form: 17/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15-18/96 20/15-36/96 20/30-18/96 60/15-18/96 20/15-54/96 20/45-18/96 20/15-90/96 20/75-18/96