Subtract 7/40 from 24/7
1st number: 3 3/7, 2nd number: 7/40
24/7 - 7/40 is 911/280.
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,
24/7 = 24 × 40/7 × 40 = 960/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Subtract the two like fractions:
960/280 - 49/280 = 960 - 49/280 = 911/280 - In mixed form: 371/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/7-7/40 24/7-14/40 24/14-7/40 24/7-7/80 72/7-7/40 24/7-21/40 24/21-7/40 24/7-35/40 24/35-7/40 24/7-49/40 24/49-7/40