Subtract 7/35 from 20/15
1st number: 1 5/15, 2nd number: 7/35
20/15 - 7/35 is 17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
20/15 = 20 × 7/15 × 7 = 140/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
7/35 = 7 × 3/35 × 3 = 21/105 - Subtract the two like fractions:
140/105 - 21/105 = 140 - 21/105 = 119/105 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15-7/35 20/15-14/35 20/30-7/35 20/15-7/70 60/15-7/35 20/15-21/35 20/45-7/35 20/75-7/35 20/15-49/35