Subtract 60/18 from 40/75
1st number: 40/75, 2nd number: 3 6/18
40/75 - 60/18 is -14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
40/75 = 40 × 6/75 × 6 = 240/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
60/18 = 60 × 25/18 × 25 = 1500/450 - Subtract the two like fractions:
240/450 - 1500/450 = 240 - 1500/450 = -1260/450 - After reducing the fraction, the answer is -14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75-60/18 40/75-60/36 40/75-60/54 40/75-60/90