Subtract 84/56 from 16/12
1st number: 1 4/12, 2nd number: 1 28/56
16/12 - 84/56 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
16/12 = 16 × 14/12 × 14 = 224/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Subtract the two like fractions:
224/168 - 252/168 = 224 - 252/168 = -28/168 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12-84/56 16/24-84/56 48/12-84/56 16/36-84/56 80/12-84/56 16/60-84/56 16/84-84/56