Subtract 40/63 from 10/9
1st number: 1 1/9, 2nd number: 40/63
10/9 - 40/63 is 10/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
10/9 = 10 × 7/9 × 7 = 70/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
40/63 = 40 × 1/63 × 1 = 40/63 - Subtract the two like fractions:
70/63 - 40/63 = 70 - 40/63 = 30/63 - After reducing the fraction, the answer is 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9-40/63 10/9-80/63 10/18-40/63 30/9-40/63 10/27-40/63 50/9-40/63 10/45-40/63 70/9-40/63 10/63-40/63