Subtract 90/36 from 60/75
1st number: 60/75, 2nd number: 2 18/36
60/75 - 90/36 is -17/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
60/75 = 60 × 12/75 × 12 = 720/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
90/36 = 90 × 25/36 × 25 = 2250/900 - Subtract the two like fractions:
720/900 - 2250/900 = 720 - 2250/900 = -1530/900 - After reducing the fraction, the answer is -17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-90/72