Add 63/54 and 27/42
1st number: 1 9/54, 2nd number: 27/42
63/54 + 27/42 is 38/21.
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,
63/54 = 63 × 7/54 × 7 = 441/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
27/42 = 27 × 9/42 × 9 = 243/378 - Add the two like fractions:
441/378 + 243/378 = 441 + 243/378 = 684/378 - 684/378 simplified gives 38/21
- So, 63/54 + 27/42 = 38/21
In mixed form: 117/21
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