Subtract 1/28 from 56/12
1st number: 4 8/12, 2nd number: 1/28
56/12 - 1/28 is 389/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
56/12 = 56 × 7/12 × 7 = 392/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
1/28 = 1 × 3/28 × 3 = 3/84 - Subtract the two like fractions:
392/84 - 3/84 = 392 - 3/84 = 389/84 - In mixed form: 453/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-2/28 56/24-1/28 56/12-1/56 56/12-3/28 56/36-1/28 56/12-1/84 56/12-5/28 56/60-1/28 56/12-7/28 56/84-1/28