Subtract 42/56 from 12/6
1st number: 2 0/6, 2nd number: 42/56
12/6 - 42/56 is 5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 6 × 28 = 168,
12/6 = 12 × 28/6 × 28 = 336/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168 - Subtract the two like fractions:
336/168 - 126/168 = 336 - 126/168 = 210/168 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6-42/56 12/6-84/56 36/6-42/56 12/18-42/56 60/6-42/56 12/30-42/56 84/6-42/56 12/42-42/56