Subtract 40/75 from 15/2
1st number: 7 1/2, 2nd number: 40/75
15/2 - 40/75 is 209/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 2 × 75 = 150,
15/2 = 15 × 75/2 × 75 = 1125/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
40/75 = 40 × 2/75 × 2 = 80/150 - Subtract the two like fractions:
1125/150 - 80/150 = 1125 - 80/150 = 1045/150 - After reducing the fraction, the answer is 209/30
- In mixed form: 629/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-40/75 15/2-80/75 15/4-40/75 45/2-40/75 15/6-40/75 75/2-40/75 15/10-40/75 15/14-40/75