Subtract 10/35 from 21/14
1st number: 1 7/14, 2nd number: 10/35
21/14 - 10/35 is 17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
10/35 = 10 × 2/35 × 2 = 20/70 - Subtract the two like fractions:
105/70 - 20/70 = 105 - 20/70 = 85/70 - After reducing the fraction, the answer is 17/14
- In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14-10/35 21/14-20/35 21/28-10/35 21/14-10/70 63/14-10/35 21/14-30/35 21/42-10/35 21/14-50/35 21/70-10/35 21/14-70/35 21/98-10/35