Add 30/27 and 63/28
1st number: 1 3/27, 2nd number: 2 7/28
30/27 + 63/28 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
30/27 = 30 × 28/27 × 28 = 840/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
63/28 = 63 × 27/28 × 27 = 1701/756 - Add the two like fractions:
840/756 + 1701/756 = 840 + 1701/756 = 2541/756 - 2541/756 simplified gives 121/36
- So, 30/27 + 63/28 = 121/36
In mixed form: 313/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27+63/28 30/54+63/28 30/27+63/56 90/27+63/28 30/81+63/28 30/27+63/84