Add 81/54 and 28/42
1st number: 1 27/54, 2nd number: 28/42
81/54 + 28/42 is 13/6.
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,
81/54 = 81 × 7/54 × 7 = 567/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
28/42 = 28 × 9/42 × 9 = 252/378 - Add the two like fractions:
567/378 + 252/378 = 567 + 252/378 = 819/378 - 819/378 simplified gives 13/6
- So, 81/54 + 28/42 = 13/6
In mixed form: 21/6
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