Subtract 84/12 from 3/2
1st number: 1 1/2, 2nd number: 7 0/12
3/2 - 84/12 is -11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
3/2 = 3 × 6/2 × 6 = 18/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
84/12 = 84 × 1/12 × 1 = 84/12 - Subtract the two like fractions:
18/12 - 84/12 = 18 - 84/12 = -66/12 - After reducing the fraction, the answer is -11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-84/12 3/4-84/12 3/2-84/24 9/2-84/12 3/6-84/12 3/2-84/36 15/2-84/12 3/10-84/12 3/2-84/60 21/2-84/12 3/14-84/12