Add 42/84 and 27/12
1st number: 42/84, 2nd number: 2 3/12
42/84 + 27/12 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Add the two like fractions:
42/84 + 189/84 = 42 + 189/84 = 231/84 - 231/84 simplified gives 11/4
- So, 42/84 + 27/12 = 11/4
In mixed form: 23/4
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