Subtract 14/70 from 21/3
1st number: 7 0/3, 2nd number: 14/70
21/3 - 14/70 is 34/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
21/3 = 21 × 70/3 × 70 = 1470/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
14/70 = 14 × 3/70 × 3 = 42/210 - Subtract the two like fractions:
1470/210 - 42/210 = 1470 - 42/210 = 1428/210 - After reducing the fraction, the answer is 34/5
- In mixed form: 64/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3-14/70 21/3-28/70 21/6-14/70 63/3-14/70 21/3-42/70 21/9-14/70 21/15-14/70 21/3-98/70