Subtract 90/50 from 60/75
1st number: 60/75, 2nd number: 1 40/50
60/75 - 90/50 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
60/75 = 60 × 2/75 × 2 = 120/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
90/50 = 90 × 3/50 × 3 = 270/150 - Subtract the two like fractions:
120/150 - 270/150 = 120 - 270/150 = -150/150 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: