Subtract 30/56 from 72/12
1st number: 6 0/12, 2nd number: 30/56
72/12 - 30/56 is 153/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
72/12 = 72 × 14/12 × 14 = 1008/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Subtract the two like fractions:
1008/168 - 90/168 = 1008 - 90/168 = 918/168 - After reducing the fraction, the answer is 153/28
- In mixed form: 513/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-60/56 72/24-30/56 72/12-90/56 72/36-30/56 72/60-30/56 72/84-30/56