Add 27/60 and 16/21, Solve 27/60 + 16/21 as a fraction

Add 27/60 and 16/21

27/60 + 16/21 is 509/420.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
27/60 = 27 × 7/60 × 7 = 189/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
16/21 = 16 × 20/21 × 20 = 320/420
Add the two like fractions:
189/420 + 320/420 = 189 + 320/420 = 509/420
So, 27/60 + 16/21 = 509/420
In mixed form: 189/420

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