Add 1/12 and 45/7
1st number: 1/12, 2nd number: 6 3/7
1/12 + 45/7 is 547/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
1/12 = 1 × 7/12 × 7 = 7/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
45/7 = 45 × 12/7 × 12 = 540/84 - Add the two like fractions:
7/84 + 540/84 = 7 + 540/84 = 547/84 - So, 1/12 + 45/7 = 547/84
In mixed form: 643/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12+45/7 1/12+90/7 1/24+45/7 1/12+45/14 3/12+45/7 1/36+45/7 1/12+45/21 5/12+45/7 1/60+45/7 1/12+45/35 7/12+45/7 1/84+45/7 1/12+45/49