Add 42/84 and 12/18
42/84 + 12/18 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
42/84 = 42 × 3/84 × 3 = 126/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
12/18 = 12 × 14/18 × 14 = 168/252 - Add the two like fractions:
126/252 + 168/252 = 126 + 168/252 = 294/252 - 294/252 simplified gives 7/6
- So, 42/84 + 12/18 = 7/6
In mixed form: 11/6
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