Subtract 40/63 from 70/48
1st number: 1 22/48, 2nd number: 40/63
70/48 - 40/63 is 415/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
70/48 = 70 × 21/48 × 21 = 1470/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
40/63 = 40 × 16/63 × 16 = 640/1008 - Subtract the two like fractions:
1470/1008 - 640/1008 = 1470 - 640/1008 = 830/1008 - After reducing the fraction, the answer is 415/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/48-80/63 70/96-40/63