Add 42/54 and 45/84
42/54 + 45/84 is 331/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
42/54 = 42 × 14/54 × 14 = 588/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
45/84 = 45 × 9/84 × 9 = 405/756 - Add the two like fractions:
588/756 + 405/756 = 588 + 405/756 = 993/756 - 993/756 simplified gives 331/252
- So, 42/54 + 45/84 = 331/252
In mixed form: 179/252
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