Add 84/42 and 84/21
1st number: 2 0/42, 2nd number: 4 0/21
84/42 + 84/21 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
84/42 = 84 × 1/42 × 1 = 84/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
84/21 = 84 × 2/21 × 2 = 168/42 - Add the two like fractions:
84/42 + 168/42 = 84 + 168/42 = 252/42 - 252/42 simplified gives 6/1
- So, 84/42 + 84/21 = 6/1
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