Add 21/6 and 42/8
1st number: 3 3/6, 2nd number: 5 2/8
21/6 + 42/8 is 35/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
21/6 = 21 × 4/6 × 4 = 84/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
42/8 = 42 × 3/8 × 3 = 126/24 - Add the two like fractions:
84/24 + 126/24 = 84 + 126/24 = 210/24 - 210/24 simplified gives 35/4
- So, 21/6 + 42/8 = 35/4
In mixed form: 83/4
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