Subtract 15/7 from 35/15
1st number: 2 5/15, 2nd number: 2 1/7
35/15 - 15/7 is 4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
35/15 = 35 × 7/15 × 7 = 245/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
15/7 = 15 × 15/7 × 15 = 225/105 - Subtract the two like fractions:
245/105 - 225/105 = 245 - 225/105 = 20/105 - After reducing the fraction, the answer is 4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-15/7 35/15-30/7 35/30-15/7 35/15-15/14 35/15-45/7 35/45-15/7 35/15-15/21 35/15-75/7 35/75-15/7 35/15-15/35 35/15-15/49