Add 12/16 and 42/9, Solve 12/16 + 4 6/9 as a fraction

Add 12/16 and 42/9

1^st number: 12/16, 2^nd number: 4 6/9

12/16 + 42/9 is 65/12.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144
Likewise, for the 2nd fraction, since 9 × 16 = 144,
42/9 = 42 × 16/9 × 16 = 672/144
Add the two like fractions:
108/144 + 672/144 = 108 + 672/144 = 780/144
780/144 simplified gives 65/12
So, 12/16 + 42/9 = 65/12
In mixed form: 55/12

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