Add 27/42 and 27/54
27/42 + 27/54 is 8/7.
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,
27/42 = 27 × 9/42 × 9 = 243/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378 - Add the two like fractions:
243/378 + 189/378 = 243 + 189/378 = 432/378 - 432/378 simplified gives 8/7
- So, 27/42 + 27/54 = 8/7
In mixed form: 11/7
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