Subtract 1/40 from 64/7
1st number: 9 1/7, 2nd number: 1/40
64/7 - 1/40 is 2553/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
64/7 = 64 × 40/7 × 40 = 2560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Subtract the two like fractions:
2560/280 - 7/280 = 2560 - 7/280 = 2553/280 - In mixed form: 933/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/7-2/40 64/14-1/40 64/7-1/80 64/7-3/40 64/21-1/40 64/7-5/40 64/35-1/40 64/7-7/40 64/49-1/40