Subtract 18/63 from 56/49
1st number: 1 7/49, 2nd number: 18/63
56/49 - 18/63 is 6/7.
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,
56/49 = 56 × 9/49 × 9 = 504/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
18/63 = 18 × 7/63 × 7 = 126/441 - Subtract the two like fractions:
504/441 - 126/441 = 504 - 126/441 = 378/441 - After reducing the fraction, the answer is 6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49-36/63 56/98-18/63 56/49-54/63 56/49-90/63