Subtract 84/54 from 3/2
1st number: 1 1/2, 2nd number: 1 30/54
3/2 - 84/54 is -1/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
3/2 = 3 × 27/2 × 27 = 81/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
84/54 = 84 × 1/54 × 1 = 84/54 - Subtract the two like fractions:
81/54 - 84/54 = 81 - 84/54 = -3/54 - After reducing the fraction, the answer is -1/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-84/54 3/4-84/54 9/2-84/54 3/6-84/54 15/2-84/54 3/10-84/54 21/2-84/54 3/14-84/54