Subtract 5/49 from 20/63
20/63 - 5/49 is 95/441.
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,
20/63 = 20 × 7/63 × 7 = 140/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
5/49 = 5 × 9/49 × 9 = 45/441 - Subtract the two like fractions:
140/441 - 45/441 = 140 - 45/441 = 95/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63-5/49 20/63-10/49 20/63-5/98 60/63-5/49 20/63-15/49 20/63-25/49 20/63-35/49