Add 42/12 and 81/24
1st number: 3 6/12, 2nd number: 3 9/24
42/12 + 81/24 is 55/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
42/12 = 42 × 2/12 × 2 = 84/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
81/24 = 81 × 1/24 × 1 = 81/24 - Add the two like fractions:
84/24 + 81/24 = 84 + 81/24 = 165/24 - 165/24 simplified gives 55/8
- So, 42/12 + 81/24 = 55/8
In mixed form: 67/8
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