Subtract 60/30 from 30/75
1st number: 30/75, 2nd number: 2 0/30
30/75 - 60/30 is -8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
30/75 = 30 × 2/75 × 2 = 60/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
60/30 = 60 × 5/30 × 5 = 300/150 - Subtract the two like fractions:
60/150 - 300/150 = 60 - 300/150 = -240/150 - After reducing the fraction, the answer is -8/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-60/30 90/75-60/30 30/75-60/90