Subtract 40/7 from 49/60
1st number: 49/60, 2nd number: 5 5/7
49/60 - 40/7 is -2057/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
49/60 = 49 × 7/60 × 7 = 343/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
40/7 = 40 × 60/7 × 60 = 2400/420 - Subtract the two like fractions:
343/420 - 2400/420 = 343 - 2400/420 = -2057/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/60-40/7 49/60-80/7 49/60-40/14 49/60-40/21 49/60-40/35 49/60-40/49