Subtract 70/60 from 40/63
1st number: 40/63, 2nd number: 1 10/60
40/63 - 70/60 is -67/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
40/63 = 40 × 20/63 × 20 = 800/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
70/60 = 70 × 21/60 × 21 = 1470/1260 - Subtract the two like fractions:
800/1260 - 1470/1260 = 800 - 1470/1260 = -670/1260 - After reducing the fraction, the answer is -67/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63-70/60