Subtract 56/14 from 18/12
1st number: 1 6/12, 2nd number: 4 0/14
18/12 - 56/14 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
56/14 = 56 × 6/14 × 6 = 336/84 - Subtract the two like fractions:
126/84 - 336/84 = 126 - 336/84 = -210/84 - After reducing the fraction, the answer is -5/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12-56/14 18/24-56/14 18/12-56/28 54/12-56/14 18/36-56/14 18/12-56/42 90/12-56/14 18/60-56/14 18/12-56/70 18/84-56/14 18/12-56/98