Subtract 90/5 from 40/75
1st number: 40/75, 2nd number: 18 0/5
40/75 - 90/5 is -262/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 5 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
40/75 = 40 × 1/75 × 1 = 40/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
90/5 = 90 × 15/5 × 15 = 1350/75 - Subtract the two like fractions:
40/75 - 1350/75 = 40 - 1350/75 = -1310/75 - After reducing the fraction, the answer is -262/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75-90/5 40/75-90/10 40/75-90/15 40/75-90/25 40/75-90/35