Add 18/42 and 4/84
18/42 + 4/84 is 10/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
18/42 = 18 × 2/42 × 2 = 36/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84 - Add the two like fractions:
36/84 + 4/84 = 36 + 4/84 = 40/84 - 40/84 simplified gives 10/21
- So, 18/42 + 4/84 = 10/21
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