Subtract 14/36 from 90/28
1st number: 3 6/28, 2nd number: 14/36
90/28 - 14/36 is 178/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
14/36 = 14 × 7/36 × 7 = 98/252 - Subtract the two like fractions:
810/252 - 98/252 = 810 - 98/252 = 712/252 - After reducing the fraction, the answer is 178/63
- In mixed form: 252/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-28/36 90/56-14/36 90/28-14/72 90/28-42/36 90/84-14/36 90/28-70/36 90/28-98/36