Add 7/32 and 21/81, Solve 7/32 + 21/81 as a fraction

Add 7/32 and 21/81

7/32 + 21/81 is 413/864.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 81 is 2592

Next, find the equivalent fraction of both fractional numbers with denominator 2592
For the 1st fraction, since 32 × 81 = 2592,
7/32 = 7 × 81/32 × 81 = 567/2592
Likewise, for the 2nd fraction, since 81 × 32 = 2592,
21/81 = 21 × 32/81 × 32 = 672/2592
Add the two like fractions:
567/2592 + 672/2592 = 567 + 672/2592 = 1239/2592
1239/2592 simplified gives 413/864
So, 7/32 + 21/81 = 413/864

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