Add 6/27 and 21/80, Solve 6/27 + 21/80 as a fraction

Add 6/27 and 21/80

6/27 + 21/80 is 349/720.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 27 × 80 = 2160,
6/27 = 6 × 80/27 × 80 = 480/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
21/80 = 21 × 27/80 × 27 = 567/2160
Add the two like fractions:
480/2160 + 567/2160 = 480 + 567/2160 = 1047/2160
1047/2160 simplified gives 349/720
So, 6/27 + 21/80 = 349/720

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