Add 84/42 and 20/27
1st number: 2 0/42, 2nd number: 20/27
84/42 + 20/27 is 74/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
84/42 = 84 × 9/42 × 9 = 756/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
20/27 = 20 × 14/27 × 14 = 280/378 - Add the two like fractions:
756/378 + 280/378 = 756 + 280/378 = 1036/378 - 1036/378 simplified gives 74/27
- So, 84/42 + 20/27 = 74/27
In mixed form: 220/27
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