Add 15/28 and 72/27, Solve 15/28 + 2 18/27 as a fraction

Add 15/28 and 72/27

1^st number: 15/28, 2^nd number: 2 18/27

15/28 + 72/27 is 269/84.

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,
15/28 = 15 × 27/28 × 27 = 405/756
Likewise, for the 2nd fraction, since 27 × 28 = 756,
72/27 = 72 × 28/27 × 28 = 2016/756
Add the two like fractions:
405/756 + 2016/756 = 405 + 2016/756 = 2421/756
2421/756 simplified gives 269/84
So, 15/28 + 72/27 = 269/84
In mixed form: 317/84

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