Add 84/4 and 4/42
1st number: 21 0/4, 2nd number: 4/42
84/4 + 4/42 is 443/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
84/4 = 84 × 21/4 × 21 = 1764/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
4/42 = 4 × 2/42 × 2 = 8/84 - Add the two like fractions:
1764/84 + 8/84 = 1764 + 8/84 = 1772/84 - 1772/84 simplified gives 443/21
- So, 84/4 + 4/42 = 443/21
In mixed form: 212/21
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