Add 7/4 and 80/12
1st number: 1 3/4, 2nd number: 6 8/12
7/4 + 80/12 is 101/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
7/4 = 7 × 3/4 × 3 = 21/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
80/12 = 80 × 1/12 × 1 = 80/12 - Add the two like fractions:
21/12 + 80/12 = 21 + 80/12 = 101/12 - So, 7/4 + 80/12 = 101/12
In mixed form: 85/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4+80/12 7/8+80/12 7/4+80/24 21/4+80/12 7/12+80/12 7/4+80/36 35/4+80/12 7/20+80/12 7/4+80/60 49/4+80/12 7/28+80/12 7/4+80/84