Add 63/12 and 28/7
1st number: 5 3/12, 2nd number: 4 0/7
63/12 + 28/7 is 37/4.
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,
28/7 = 28 × 12/7 × 12 = 336/84 - Add the two like fractions:
441/84 + 336/84 = 441 + 336/84 = 777/84 - 777/84 simplified gives 37/4
- So, 63/12 + 28/7 = 37/4
In mixed form: 91/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+56/7 63/24+28/7 63/12+28/14 63/12+84/7 63/36+28/7 63/12+28/21 63/60+28/7 63/12+28/35 63/84+28/7 63/12+28/49