Add 12/28 and 63/27
1st number: 12/28, 2nd number: 2 9/27
12/28 + 63/27 is 58/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
12/28 = 12 × 27/28 × 27 = 324/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
63/27 = 63 × 28/27 × 28 = 1764/756 - Add the two like fractions:
324/756 + 1764/756 = 324 + 1764/756 = 2088/756 - 2088/756 simplified gives 58/21
- So, 12/28 + 63/27 = 58/21
In mixed form: 216/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+63/27 12/56+63/27 12/28+63/54 36/28+63/27 12/84+63/27 12/28+63/81 60/28+63/27 84/28+63/27