Subtract 90/72 from 35/14
1st number: 2 7/14, 2nd number: 1 18/72
35/14 - 90/72 is 5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
35/14 = 35 × 36/14 × 36 = 1260/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
90/72 = 90 × 7/72 × 7 = 630/504 - Subtract the two like fractions:
1260/504 - 630/504 = 1260 - 630/504 = 630/504 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-90/72 35/28-90/72 35/42-90/72 35/70-90/72 35/98-90/72