Subtract 8/63 from 18/49
18/49 - 8/63 is 106/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
18/49 = 18 × 9/49 × 9 = 162/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
8/63 = 8 × 7/63 × 7 = 56/441 - Subtract the two like fractions:
162/441 - 56/441 = 162 - 56/441 = 106/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/49-8/63 18/49-16/63 18/98-8/63 54/49-8/63 18/49-24/63 90/49-8/63 18/49-40/63 18/49-56/63