Subtract 42/63 from 70/56
1st number: 1 14/56, 2nd number: 42/63
70/56 - 42/63 is 7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
70/56 = 70 × 9/56 × 9 = 630/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
42/63 = 42 × 8/63 × 8 = 336/504 - Subtract the two like fractions:
630/504 - 336/504 = 630 - 336/504 = 294/504 - After reducing the fraction, the answer is 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-84/63