Subtract 45/7 from 90/32
1st number: 2 26/32, 2nd number: 6 3/7
90/32 - 45/7 is -405/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 7 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
90/32 = 90 × 7/32 × 7 = 630/224 - Likewise, for the 2nd fraction, since 7 × 32 = 224,
45/7 = 45 × 32/7 × 32 = 1440/224 - Subtract the two like fractions:
630/224 - 1440/224 = 630 - 1440/224 = -810/224 - After reducing the fraction, the answer is -405/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32-90/7 90/64-45/7 90/32-45/14 90/96-45/7 90/32-45/21 90/32-45/35 90/32-45/49