Subtract 40/9 from 64/7
1st number: 9 1/7, 2nd number: 4 4/9
64/7 - 40/9 is 296/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
64/7 = 64 × 9/7 × 9 = 576/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
40/9 = 40 × 7/9 × 7 = 280/63 - Subtract the two like fractions:
576/63 - 280/63 = 576 - 280/63 = 296/63 - In mixed form: 444/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/7-80/9 64/14-40/9 64/7-40/18 64/21-40/9 64/7-40/27 64/35-40/9 64/7-40/45 64/49-40/9 64/7-40/63