Add 15/32 and 21/27, Solve 15/32 + 21/27 as a fraction

Add 15/32 and 21/27

15/32 + 21/27 is 359/288.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 27 is 864

Next, find the equivalent fraction of both fractional numbers with denominator 864
For the 1st fraction, since 32 × 27 = 864,
15/32 = 15 × 27/32 × 27 = 405/864
Likewise, for the 2nd fraction, since 27 × 32 = 864,
21/27 = 21 × 32/27 × 32 = 672/864
Add the two like fractions:
405/864 + 672/864 = 405 + 672/864 = 1077/864
1077/864 simplified gives 359/288
So, 15/32 + 21/27 = 359/288
In mixed form: 171/288

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