Add 15/27 and 18/28
15/27 + 18/28 is 151/126.
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,
15/27 = 15 × 28/27 × 28 = 420/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
18/28 = 18 × 27/28 × 27 = 486/756 - Add the two like fractions:
420/756 + 486/756 = 420 + 486/756 = 906/756 - 906/756 simplified gives 151/126
- So, 15/27 + 18/28 = 151/126
In mixed form: 125/126
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