Add 7/27 and 81/4, Solve 7/27 + 20 1/4 as a fraction

Add 7/27 and 81/4

1^st number: 7/27, 2^nd number: 20 1/4

7/27 + 81/4 is 2215/108.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
7/27 = 7 × 4/27 × 4 = 28/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
81/4 = 81 × 27/4 × 27 = 2187/108
Add the two like fractions:
28/108 + 2187/108 = 28 + 2187/108 = 2215/108
So, 7/27 + 81/4 = 2215/108
In mixed form: 2055/108

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