Subtract 2/7 from 35/15
1st number: 2 5/15, 2nd number: 2/7
35/15 - 2/7 is 43/21.
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,
2/7 = 2 × 15/7 × 15 = 30/105 - Subtract the two like fractions:
245/105 - 30/105 = 245 - 30/105 = 215/105 - After reducing the fraction, the answer is 43/21
- In mixed form: 21/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-2/7 35/15-4/7 35/30-2/7 35/15-2/14 35/15-6/7 35/45-2/7 35/15-2/21 35/15-10/7 35/75-2/7 35/15-2/35 35/15-14/7 35/15-2/49