Add 63/12 and 45/7
1st number: 5 3/12, 2nd number: 6 3/7
63/12 + 45/7 is 327/28.
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,
45/7 = 45 × 12/7 × 12 = 540/84 - Add the two like fractions:
441/84 + 540/84 = 441 + 540/84 = 981/84 - 981/84 simplified gives 327/28
- So, 63/12 + 45/7 = 327/28
In mixed form: 1119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+90/7 63/24+45/7 63/12+45/14 63/36+45/7 63/12+45/21 63/60+45/7 63/12+45/35 63/84+45/7 63/12+45/49