Subtract 63/64 from 56/45
1st number: 1 11/45, 2nd number: 63/64
56/45 - 63/64 is 749/2880.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 45 × 64 = 2880,
56/45 = 56 × 64/45 × 64 = 3584/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
63/64 = 63 × 45/64 × 45 = 2835/2880 - Subtract the two like fractions:
3584/2880 - 2835/2880 = 3584 - 2835/2880 = 749/2880
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90-63/64