Add 42/12 and 7/9
1st number: 3 6/12, 2nd number: 7/9
42/12 + 7/9 is 77/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 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 9 × 4 = 36,
7/9 = 7 × 4/9 × 4 = 28/36 - Add the two like fractions:
126/36 + 28/36 = 126 + 28/36 = 154/36 - 154/36 simplified gives 77/18
- So, 42/12 + 7/9 = 77/18
In mixed form: 45/18
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