Subtract 18/60 from 7/75
7/75 - 18/60 is -31/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
7/75 = 7 × 4/75 × 4 = 28/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
18/60 = 18 × 5/60 × 5 = 90/300 - Subtract the two like fractions:
28/300 - 90/300 = 28 - 90/300 = -62/300 - After reducing the fraction, the answer is -31/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-18/60 7/75-36/60 21/75-18/60 7/75-54/60 35/75-18/60 7/75-90/60 49/75-18/60