Add 42/12 and 21/24
1st number: 3 6/12, 2nd number: 21/24
42/12 + 21/24 is 35/8.
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,
21/24 = 21 × 1/24 × 1 = 21/24 - Add the two like fractions:
84/24 + 21/24 = 84 + 21/24 = 105/24 - 105/24 simplified gives 35/8
- So, 42/12 + 21/24 = 35/8
In mixed form: 43/8
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