Subtract 84/30 from 3/2
1st number: 1 1/2, 2nd number: 2 24/30
3/2 - 84/30 is -13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
3/2 = 3 × 15/2 × 15 = 45/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
84/30 = 84 × 1/30 × 1 = 84/30 - Subtract the two like fractions:
45/30 - 84/30 = 45 - 84/30 = -39/30 - After reducing the fraction, the answer is -13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-84/30 3/4-84/30 3/2-84/60 9/2-84/30 3/6-84/30 3/2-84/90 15/2-84/30 3/10-84/30 21/2-84/30 3/14-84/30