Subtract 70/27 from 12/56
1st number: 12/56, 2nd number: 2 16/27
12/56 - 70/27 is -899/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
12/56 = 12 × 27/56 × 27 = 324/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
70/27 = 70 × 56/27 × 56 = 3920/1512 - Subtract the two like fractions:
324/1512 - 3920/1512 = 324 - 3920/1512 = -3596/1512 - After reducing the fraction, the answer is -899/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56-70/27 12/56-70/54 36/56-70/27 12/56-70/81 60/56-70/27 84/56-70/27