Add 56/12 and 45/28
1st number: 4 8/12, 2nd number: 1 17/28
56/12 + 45/28 is 527/84.
Steps for adding 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,
45/28 = 45 × 3/28 × 3 = 135/84 - Add the two like fractions:
392/84 + 135/84 = 392 + 135/84 = 527/84 - So, 56/12 + 45/28 = 527/84
In mixed form: 623/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+90/28 56/24+45/28 56/12+45/56 56/36+45/28 56/12+45/84 56/60+45/28 56/84+45/28