Subtract 9/63 from 4/7
4/7 - 9/63 is 3/7.
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,
4/7 = 4 × 9/7 × 9 = 36/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
9/63 = 9 × 1/63 × 1 = 9/63 - Subtract the two like fractions:
36/63 - 9/63 = 36 - 9/63 = 27/63 - After reducing the fraction, the answer is 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-9/63 4/7-18/63 4/14-9/63 12/7-9/63 4/7-27/63 4/21-9/63 20/7-9/63 4/7-45/63 4/35-9/63 28/7-9/63 4/49-9/63