Subtract 54/28 from 35/15
1st number: 2 5/15, 2nd number: 1 26/28
35/15 - 54/28 is 17/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
35/15 = 35 × 28/15 × 28 = 980/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
54/28 = 54 × 15/28 × 15 = 810/420 - Subtract the two like fractions:
980/420 - 810/420 = 980 - 810/420 = 170/420 - After reducing the fraction, the answer is 17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-54/28 35/30-54/28 35/15-54/56 35/45-54/28 35/15-54/84 35/75-54/28