Subtract 40/4 from 7/15
1st number: 7/15, 2nd number: 10 0/4
7/15 - 40/4 is -143/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
40/4 = 40 × 15/4 × 15 = 600/60 - Subtract the two like fractions:
28/60 - 600/60 = 28 - 600/60 = -572/60 - After reducing the fraction, the answer is -143/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15-40/4 7/15-80/4 7/30-40/4 7/15-40/8 21/15-40/4 7/45-40/4 7/15-40/12 35/15-40/4 7/75-40/4 7/15-40/20 49/15-40/4 7/15-40/28