Add 2/84 and 5/42
2/84 + 5/42 is 1/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
2/84 = 2 × 1/84 × 1 = 2/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
5/42 = 5 × 2/42 × 2 = 10/84 - Add the two like fractions:
2/84 + 10/84 = 2 + 10/84 = 12/84 - 12/84 simplified gives 1/7
- So, 2/84 + 5/42 = 1/7
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