Add 42/2 and 21/54
1st number: 21 0/2, 2nd number: 21/54
42/2 + 21/54 is 385/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
42/2 = 42 × 27/2 × 27 = 1134/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
1134/54 + 21/54 = 1134 + 21/54 = 1155/54 - 1155/54 simplified gives 385/18
- So, 42/2 + 21/54 = 385/18
In mixed form: 217/18
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