Add 80/12 and 49/72
1st number: 6 8/12, 2nd number: 49/72
80/12 + 49/72 is 529/72.
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,
80/12 = 80 × 6/12 × 6 = 480/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
49/72 = 49 × 1/72 × 1 = 49/72 - Add the two like fractions:
480/72 + 49/72 = 480 + 49/72 = 529/72 - So, 80/12 + 49/72 = 529/72
In mixed form: 725/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+98/72 80/24+49/72 80/36+49/72 80/60+49/72 80/84+49/72