Add 54/42 and 8/84
1st number: 1 12/42, 2nd number: 8/84
54/42 + 8/84 is 29/21.
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,
54/42 = 54 × 2/42 × 2 = 108/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Add the two like fractions:
108/84 + 8/84 = 108 + 8/84 = 116/84 - 116/84 simplified gives 29/21
- So, 54/42 + 8/84 = 29/21
In mixed form: 18/21
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