Subtract 90/32 from 1/15
1st number: 1/15, 2nd number: 2 26/32
1/15 - 90/32 is -659/240.
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,
1/15 = 1 × 32/15 × 32 = 32/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
90/32 = 90 × 15/32 × 15 = 1350/480 - Subtract the two like fractions:
32/480 - 1350/480 = 32 - 1350/480 = -1318/480 - After reducing the fraction, the answer is -659/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-90/32 1/30-90/32 1/15-90/64 3/15-90/32 1/45-90/32 1/15-90/96 5/15-90/32 1/75-90/32 7/15-90/32