Add 56/12 and 7/72
1st number: 4 8/12, 2nd number: 7/72
56/12 + 7/72 is 343/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
56/12 = 56 × 6/12 × 6 = 336/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
336/72 + 7/72 = 336 + 7/72 = 343/72 - So, 56/12 + 7/72 = 343/72
In mixed form: 455/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+14/72 56/24+7/72 56/12+21/72 56/36+7/72 56/12+35/72 56/60+7/72 56/12+49/72 56/84+7/72