Subtract 27/84 from 3/2
1st number: 1 1/2, 2nd number: 27/84
3/2 - 27/84 is 33/28.
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,
27/84 = 27 × 1/84 × 1 = 27/84 - Subtract the two like fractions:
126/84 - 27/84 = 126 - 27/84 = 99/84 - After reducing the fraction, the answer is 33/28
- In mixed form: 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-27/84 3/2-54/84 3/4-27/84 9/2-27/84 3/2-81/84 3/6-27/84 15/2-27/84 3/10-27/84 21/2-27/84 3/14-27/84