Subtract 56/63 from 42/7
1st number: 6 0/7, 2nd number: 56/63
42/7 - 56/63 is 46/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
42/7 = 42 × 9/7 × 9 = 378/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
56/63 = 56 × 1/63 × 1 = 56/63 - Subtract the two like fractions:
378/63 - 56/63 = 378 - 56/63 = 322/63 - After reducing the fraction, the answer is 46/9
- In mixed form: 51/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7-56/63 42/14-56/63 42/21-56/63 42/35-56/63 42/49-56/63