Add 18/54 and 81/42
1st number: 18/54, 2nd number: 1 39/42
18/54 + 81/42 is 95/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
18/54 = 18 × 7/54 × 7 = 126/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
81/42 = 81 × 9/42 × 9 = 729/378 - Add the two like fractions:
126/378 + 729/378 = 126 + 729/378 = 855/378 - 855/378 simplified gives 95/42
- So, 18/54 + 81/42 = 95/42
In mixed form: 211/42
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