Subtract 21/5 from 70/14
1st number: 5 0/14, 2nd number: 4 1/5
70/14 - 21/5 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
70/14 = 70 × 5/14 × 5 = 350/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
21/5 = 21 × 14/5 × 14 = 294/70 - Subtract the two like fractions:
350/70 - 294/70 = 350 - 294/70 = 56/70 - After reducing the fraction, the answer is 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-42/5 70/28-21/5 70/14-21/10 70/14-63/5 70/42-21/5 70/14-21/15 70/14-21/25 70/98-21/5 70/14-21/35