Add 9/42 and 45/84
9/42 + 45/84 is 3/4.
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,
9/42 = 9 × 2/42 × 2 = 18/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Add the two like fractions:
18/84 + 45/84 = 18 + 45/84 = 63/84 - 63/84 simplified gives 3/4
- So, 9/42 + 45/84 = 3/4
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