Add 3/42 and 9/54
3/42 + 9/54 is 5/21.
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,
3/42 = 3 × 9/42 × 9 = 27/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Add the two like fractions:
27/378 + 63/378 = 27 + 63/378 = 90/378 - 90/378 simplified gives 5/21
- So, 3/42 + 9/54 = 5/21
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