Subtract 30/12 from 1/56
1st number: 1/56, 2nd number: 2 6/12
1/56 - 30/12 is -139/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
1/56 = 1 × 3/56 × 3 = 3/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
30/12 = 30 × 14/12 × 14 = 420/168 - Subtract the two like fractions:
3/168 - 420/168 = 3 - 420/168 = -417/168 - After reducing the fraction, the answer is -139/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56-30/12 1/56-60/12 1/56-30/24 3/56-30/12 1/56-90/12 1/56-30/36 5/56-30/12 1/56-30/60 7/56-30/12 1/56-30/84