Subtract 75/72 from 18/2
1st number: 9 0/2, 2nd number: 1 3/72
18/2 - 75/72 is 191/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
18/2 = 18 × 36/2 × 36 = 648/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
75/72 = 75 × 1/72 × 1 = 75/72 - Subtract the two like fractions:
648/72 - 75/72 = 648 - 75/72 = 573/72 - After reducing the fraction, the answer is 191/24
- In mixed form: 723/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2-75/72 18/4-75/72 54/2-75/72 18/6-75/72 90/2-75/72 18/10-75/72 18/14-75/72