Add 21/27 and 7/6, Solve 21/27 + 1 1/6 as a fraction

Add 21/27 and 7/6

1^st number: 21/27, 2^nd number: 1 1/6

21/27 + 7/6 is 35/18.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 6 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54
Likewise, for the 2nd fraction, since 6 × 9 = 54,
7/6 = 7 × 9/6 × 9 = 63/54
Add the two like fractions:
42/54 + 63/54 = 42 + 63/54 = 105/54
105/54 simplified gives 35/18
So, 21/27 + 7/6 = 35/18
In mixed form: 117/18

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