Subtract 72/32 from 90/14
1st number: 6 6/14, 2nd number: 2 8/32
90/14 - 72/32 is 117/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 14 × 16 = 224,
90/14 = 90 × 16/14 × 16 = 1440/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
72/32 = 72 × 7/32 × 7 = 504/224 - Subtract the two like fractions:
1440/224 - 504/224 = 1440 - 504/224 = 936/224 - After reducing the fraction, the answer is 117/28
- In mixed form: 45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-72/32 90/14-72/64 90/42-72/32 90/14-72/96 90/70-72/32 90/98-72/32