Add 42/12 and 5/18, Solve 3 6/12 + 5/18 as a fraction

Add 42/12 and 5/18

1^st number: 3 6/12, 2^nd number: 5/18

42/12 + 5/18 is 34/9.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 12 × 3 = 36,
42/12 = 42 × 3/12 × 3 = 126/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
5/18 = 5 × 2/18 × 2 = 10/36
Add the two like fractions:
126/36 + 10/36 = 126 + 10/36 = 136/36
136/36 simplified gives 34/9
So, 42/12 + 5/18 = 34/9
In mixed form: 37/9

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