Subtract 28/56 from 1/63
1/63 - 28/56 is -61/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
1/63 = 1 × 8/63 × 8 = 8/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
28/56 = 28 × 9/56 × 9 = 252/504 - Subtract the two like fractions:
8/504 - 252/504 = 8 - 252/504 = -244/504 - After reducing the fraction, the answer is -61/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-28/56 3/63-28/56 1/63-84/56 5/63-28/56 7/63-28/56