Add 10/27 and 18/28
10/27 + 18/28 is 383/378.
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,
10/27 = 10 × 28/27 × 28 = 280/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
18/28 = 18 × 27/28 × 27 = 486/756 - Add the two like fractions:
280/756 + 486/756 = 280 + 486/756 = 766/756 - 766/756 simplified gives 383/378
- So, 10/27 + 18/28 = 383/378
In mixed form: 15/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27+18/28 10/27+36/28 10/54+18/28 10/27+18/56 30/27+18/28 10/27+54/28 10/81+18/28 10/27+18/84 50/27+18/28 10/27+90/28 70/27+18/28