Add 56/12 and 15/84
1st number: 4 8/12, 2nd number: 15/84
56/12 + 15/84 is 407/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 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 84 × 1 = 84,
15/84 = 15 × 1/84 × 1 = 15/84 - Add the two like fractions:
392/84 + 15/84 = 392 + 15/84 = 407/84 - So, 56/12 + 15/84 = 407/84
In mixed form: 471/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+30/84 56/24+15/84 56/12+45/84 56/36+15/84 56/12+75/84 56/60+15/84 56/84+15/84