Subtract 14/70 from 63/42
1st number: 1 21/42, 2nd number: 14/70
63/42 - 14/70 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
63/42 = 63 × 5/42 × 5 = 315/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
14/70 = 14 × 3/70 × 3 = 42/210 - Subtract the two like fractions:
315/210 - 42/210 = 315 - 42/210 = 273/210 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42-28/70 63/84-14/70 63/42-42/70 63/42-98/70