Subtract 90/96 from 7/15
7/15 - 90/96 is -113/240.
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,
7/15 = 7 × 32/15 × 32 = 224/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
90/96 = 90 × 5/96 × 5 = 450/480 - Subtract the two like fractions:
224/480 - 450/480 = 224 - 450/480 = -226/480 - After reducing the fraction, the answer is -113/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15-90/96 7/30-90/96 21/15-90/96 7/45-90/96 35/15-90/96 7/75-90/96 49/15-90/96