Add 81/42 and 35/54
1st number: 1 39/42, 2nd number: 35/54
81/42 + 35/54 is 487/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
81/42 = 81 × 9/42 × 9 = 729/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
35/54 = 35 × 7/54 × 7 = 245/378 - Add the two like fractions:
729/378 + 245/378 = 729 + 245/378 = 974/378 - 974/378 simplified gives 487/189
- So, 81/42 + 35/54 = 487/189
In mixed form: 2109/189
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