Add 42/81 and 75/42
1st number: 42/81, 2nd number: 1 33/42
42/81 + 75/42 is 871/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 42 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
42/81 = 42 × 14/81 × 14 = 588/1134 - Likewise, for the 2nd fraction, since 42 × 27 = 1134,
75/42 = 75 × 27/42 × 27 = 2025/1134 - Add the two like fractions:
588/1134 + 2025/1134 = 588 + 2025/1134 = 2613/1134 - 2613/1134 simplified gives 871/378
- So, 42/81 + 75/42 = 871/378
In mixed form: 2115/378
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