Subtract 21/75 from 6/60
6/60 - 21/75 is -9/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 60 × 5 = 300,
6/60 = 6 × 5/60 × 5 = 30/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Subtract the two like fractions:
30/300 - 84/300 = 30 - 84/300 = -54/300 - After reducing the fraction, the answer is -9/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/60-21/75 6/60-42/75 18/60-21/75 6/60-63/75 30/60-21/75 42/60-21/75