Subtract 7/4 from 15/75
1st number: 15/75, 2nd number: 1 3/4
15/75 - 7/4 is -31/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 4 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Likewise, for the 2nd fraction, since 4 × 75 = 300,
7/4 = 7 × 75/4 × 75 = 525/300 - Subtract the two like fractions:
60/300 - 525/300 = 60 - 525/300 = -465/300 - After reducing the fraction, the answer is -31/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75-7/4 15/75-14/4 15/75-7/8 45/75-7/4 15/75-21/4 15/75-7/12 15/75-35/4 15/75-7/20 15/75-49/4 15/75-7/28