Subtract 3/32 from 90/7
1st number: 12 6/7, 2nd number: 3/32
90/7 - 3/32 is 2859/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 7 × 32 = 224,
90/7 = 90 × 32/7 × 32 = 2880/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
3/32 = 3 × 7/32 × 7 = 21/224 - Subtract the two like fractions:
2880/224 - 21/224 = 2880 - 21/224 = 2859/224 - In mixed form: 12171/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-6/32 90/14-3/32 90/7-3/64 90/7-9/32 90/21-3/32 90/7-3/96 90/7-15/32 90/35-3/32 90/7-21/32 90/49-3/32