Subtract 10/50 from 90/75
1st number: 1 15/75, 2nd number: 10/50
90/75 - 10/50 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,
90/75 = 90 × 2/75 × 2 = 180/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
10/50 = 10 × 3/50 × 3 = 30/150 - Subtract the two like fractions:
180/150 - 30/150 = 180 - 30/150 = 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: 90/75-20/50 90/75-30/50 90/75-70/50