Add 21/18 and 27/4, Solve 1 3/18 + 6 3/4 as a fraction

Add 21/18 and 27/4

1^st number: 1 3/18, 2^nd number: 6 3/4

21/18 + 27/4 is 95/12.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
21/18 = 21 × 2/18 × 2 = 42/36
Likewise, for the 2nd fraction, since 4 × 9 = 36,
27/4 = 27 × 9/4 × 9 = 243/36
Add the two like fractions:
42/36 + 243/36 = 42 + 243/36 = 285/36
285/36 simplified gives 95/12
So, 21/18 + 27/4 = 95/12
In mixed form: 711/12

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