Subtract 75/63 from 40/3
1st number: 13 1/3, 2nd number: 1 12/63
40/3 - 75/63 is 85/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
40/3 = 40 × 21/3 × 21 = 840/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
75/63 = 75 × 1/63 × 1 = 75/63 - Subtract the two like fractions:
840/63 - 75/63 = 840 - 75/63 = 765/63 - After reducing the fraction, the answer is 85/7
- In mixed form: 121/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-75/63 40/6-75/63 40/9-75/63 40/15-75/63 40/21-75/63