Subtract 35/90 from 75/15
1st number: 5 0/15, 2nd number: 35/90
75/15 - 35/90 is 83/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
75/15 = 75 × 6/15 × 6 = 450/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
35/90 = 35 × 1/90 × 1 = 35/90 - Subtract the two like fractions:
450/90 - 35/90 = 450 - 35/90 = 415/90 - After reducing the fraction, the answer is 83/18
- In mixed form: 411/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/15-70/90 75/30-35/90 75/45-35/90