Add 84/4 and 42/8
1st number: 21 0/4, 2nd number: 5 2/8
84/4 + 42/8 is 105/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
84/4 = 84 × 2/4 × 2 = 168/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
42/8 = 42 × 1/8 × 1 = 42/8 - Add the two like fractions:
168/8 + 42/8 = 168 + 42/8 = 210/8 - 210/8 simplified gives 105/4
- So, 84/4 + 42/8 = 105/4
In mixed form: 261/4
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