Subtract 27/12 from 36/84
1st number: 36/84, 2nd number: 2 3/12
36/84 - 27/12 is -51/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
36/84 = 36 × 1/84 × 1 = 36/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Subtract the two like fractions:
36/84 - 189/84 = 36 - 189/84 = -153/84 - After reducing the fraction, the answer is -51/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84-27/12 36/84-54/12 36/84-27/24 36/84-81/12 36/84-27/36 36/84-27/60 36/84-27/84