Subtract 30/25 from 40/75
1st number: 40/75, 2nd number: 1 5/25
40/75 - 30/25 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 25 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 25 × 3 = 75,
30/25 = 30 × 3/25 × 3 = 90/75 - Subtract the two like fractions:
40/75 - 90/75 = 40 - 90/75 = -50/75 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75-30/25 40/75-60/25 40/75-30/50 40/75-90/25 40/75-30/75