Add 27/54 and 1/42
27/54 + 1/42 is 11/21.
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,
27/54 = 27 × 7/54 × 7 = 189/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
1/42 = 1 × 9/42 × 9 = 9/378 - Add the two like fractions:
189/378 + 9/378 = 189 + 9/378 = 198/378 - 198/378 simplified gives 11/21
- So, 27/54 + 1/42 = 11/21
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