Subtract 27/72 from 3/2
1st number: 1 1/2, 2nd number: 27/72
3/2 - 27/72 is 9/8.
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,
3/2 = 3 × 36/2 × 36 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
27/72 = 27 × 1/72 × 1 = 27/72 - Subtract the two like fractions:
108/72 - 27/72 = 108 - 27/72 = 81/72 - After reducing the fraction, the answer is 9/8
- In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-27/72 3/2-54/72 3/4-27/72 9/2-27/72 3/2-81/72 3/6-27/72 15/2-27/72 3/10-27/72 21/2-27/72 3/14-27/72