Subtract 12/56 from 5/84
5/84 - 12/56 is -13/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
5/84 = 5 × 2/84 × 2 = 10/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Subtract the two like fractions:
10/168 - 36/168 = 10 - 36/168 = -26/168 - After reducing the fraction, the answer is -13/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-12/56 5/84-24/56 15/84-12/56 5/84-36/56 25/84-12/56 5/84-60/56 35/84-12/56 5/84-84/56