Subtract 70/16 from 56/63
1st number: 56/63, 2nd number: 4 6/16
56/63 - 70/16 is -251/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
56/63 = 56 × 16/63 × 16 = 896/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
70/16 = 70 × 63/16 × 63 = 4410/1008 - Subtract the two like fractions:
896/1008 - 4410/1008 = 896 - 4410/1008 = -3514/1008 - After reducing the fraction, the answer is -251/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-70/32 56/63-70/48 56/63-70/80