Subtract 12/84 from 3/2
1st number: 1 1/2, 2nd number: 12/84
3/2 - 12/84 is 19/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
3/2 = 3 × 42/2 × 42 = 126/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
12/84 = 12 × 1/84 × 1 = 12/84 - Subtract the two like fractions:
126/84 - 12/84 = 126 - 12/84 = 114/84 - After reducing the fraction, the answer is 19/14
- In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-12/84 3/2-24/84 3/4-12/84 9/2-12/84 3/2-36/84 3/6-12/84 15/2-12/84 3/2-60/84 3/10-12/84 21/2-12/84 3/14-12/84