Add 18/54 and 3/42
18/54 + 3/42 is 17/42.
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,
3/42 = 3 × 9/42 × 9 = 27/378 - Add the two like fractions:
126/378 + 27/378 = 126 + 27/378 = 153/378 - 153/378 simplified gives 17/42
- So, 18/54 + 3/42 = 17/42
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