Subtract 7/49 from 5/63
5/63 - 7/49 is -4/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
5/63 = 5 × 7/63 × 7 = 35/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
7/49 = 7 × 9/49 × 9 = 63/441 - Subtract the two like fractions:
35/441 - 63/441 = 35 - 63/441 = -28/441 - After reducing the fraction, the answer is -4/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/63-7/49 5/63-14/49 5/63-7/98 15/63-7/49 5/63-21/49 25/63-7/49 5/63-35/49 35/63-7/49