Add 63/12 and 9/7
1st number: 5 3/12, 2nd number: 1 2/7
63/12 + 9/7 is 183/28.
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,
63/12 = 63 × 7/12 × 7 = 441/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
9/7 = 9 × 12/7 × 12 = 108/84 - Add the two like fractions:
441/84 + 108/84 = 441 + 108/84 = 549/84 - 549/84 simplified gives 183/28
- So, 63/12 + 9/7 = 183/28
In mixed form: 615/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+18/7 63/24+9/7 63/12+9/14 63/12+27/7 63/36+9/7 63/12+9/21 63/12+45/7 63/60+9/7 63/12+9/35 63/12+63/7 63/84+9/7 63/12+9/49