Subtract 56/63 from 49/40
1st number: 1 9/40, 2nd number: 56/63
49/40 - 56/63 is 121/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
49/40 = 49 × 63/40 × 63 = 3087/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
56/63 = 56 × 40/63 × 40 = 2240/2520 - Subtract the two like fractions:
3087/2520 - 2240/2520 = 3087 - 2240/2520 = 847/2520 - After reducing the fraction, the answer is 121/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-56/63 49/80-56/63