Subtract 9/63 from 42/7
1st number: 6 0/7, 2nd number: 9/63
42/7 - 9/63 is 41/7.
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,
9/63 = 9 × 1/63 × 1 = 9/63 - Subtract the two like fractions:
378/63 - 9/63 = 378 - 9/63 = 369/63 - After reducing the fraction, the answer is 41/7
- In mixed form: 56/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7-9/63 42/7-18/63 42/14-9/63 42/7-27/63 42/21-9/63 42/7-45/63 42/35-9/63 42/49-9/63