Subtract 4/63 from 9/7
1st number: 1 2/7, 2nd number: 4/63
9/7 - 4/63 is 11/9.
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,
9/7 = 9 × 9/7 × 9 = 81/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
4/63 = 4 × 1/63 × 1 = 4/63 - Subtract the two like fractions:
81/63 - 4/63 = 81 - 4/63 = 77/63 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7-4/63 9/7-8/63 9/14-4/63 27/7-4/63 9/7-12/63 9/21-4/63 45/7-4/63 9/7-20/63 9/35-4/63 63/7-4/63 9/7-28/63 9/49-4/63