Subtract 90/40 from 75/3
1st number: 25 0/3, 2nd number: 2 10/40
75/3 - 90/40 is 91/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
75/3 = 75 × 40/3 × 40 = 3000/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Subtract the two like fractions:
3000/120 - 270/120 = 3000 - 270/120 = 2730/120 - After reducing the fraction, the answer is 91/4
- In mixed form: 223/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/6-90/40 75/3-90/80 75/9-90/40 75/15-90/40 75/21-90/40