Subtract 40/90 from 75/3
1st number: 25 0/3, 2nd number: 40/90
75/3 - 40/90 is 221/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
75/3 = 75 × 30/3 × 30 = 2250/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Subtract the two like fractions:
2250/90 - 40/90 = 2250 - 40/90 = 2210/90 - After reducing the fraction, the answer is 221/9
- In mixed form: 245/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/3-80/90 75/6-40/90 75/9-40/90 75/15-40/90 75/21-40/90