Subtract 10/14 from 21/5
1st number: 4 1/5, 2nd number: 10/14
21/5 - 10/14 is 122/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
21/5 = 21 × 14/5 × 14 = 294/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
10/14 = 10 × 5/14 × 5 = 50/70 - Subtract the two like fractions:
294/70 - 50/70 = 294 - 50/70 = 244/70 - After reducing the fraction, the answer is 122/35
- In mixed form: 317/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5-10/14 21/5-20/14 21/10-10/14 21/5-10/28 63/5-10/14 21/5-30/14 21/15-10/14 21/5-10/42 21/5-50/14 21/25-10/14 21/5-10/70 21/5-70/14 21/35-10/14 21/5-10/98