Add 42/9 and 12/16
1st number: 4 6/9, 2nd number: 12/16
42/9 + 12/16 is 65/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
42/9 = 42 × 16/9 × 16 = 672/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144 - Add the two like fractions:
672/144 + 108/144 = 672 + 108/144 = 780/144 - 780/144 simplified gives 65/12
- So, 42/9 + 12/16 = 65/12
In mixed form: 55/12
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