Add 42/24 and 21/54
1st number: 1 18/24, 2nd number: 21/54
42/24 + 21/54 is 77/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
42/24 = 42 × 9/24 × 9 = 378/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216 - Add the two like fractions:
378/216 + 84/216 = 378 + 84/216 = 462/216 - 462/216 simplified gives 77/36
- So, 42/24 + 21/54 = 77/36
In mixed form: 25/36
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