Subtract 16/12 from 30/56
1st number: 30/56, 2nd number: 1 4/12
30/56 - 16/12 is -67/84.
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,
30/56 = 30 × 3/56 × 3 = 90/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
16/12 = 16 × 14/12 × 14 = 224/168 - Subtract the two like fractions:
90/168 - 224/168 = 90 - 224/168 = -134/168 - After reducing the fraction, the answer is -67/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56-16/12 30/56-32/12 30/56-16/24 90/56-16/12 30/56-48/12 30/56-16/36 30/56-80/12 30/56-16/60 30/56-16/84