Subtract 40/60 from 70/75
70/75 - 40/60 is 4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
70/75 = 70 × 4/75 × 4 = 280/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
40/60 = 40 × 5/60 × 5 = 200/300 - Subtract the two like fractions:
280/300 - 200/300 = 280 - 200/300 = 80/300 - After reducing the fraction, the answer is 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75-80/60