Subtract 50/60 from 30/75
30/75 - 50/60 is -13/30.
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,
30/75 = 30 × 4/75 × 4 = 120/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
50/60 = 50 × 5/60 × 5 = 250/300 - Subtract the two like fractions:
120/300 - 250/300 = 120 - 250/300 = -130/300 - After reducing the fraction, the answer is -13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-50/60 90/75-50/60