Add 12/81 and 42/24
1st number: 12/81, 2nd number: 1 18/24
12/81 + 42/24 is 205/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 24 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
12/81 = 12 × 8/81 × 8 = 96/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
42/24 = 42 × 27/24 × 27 = 1134/648 - Add the two like fractions:
96/648 + 1134/648 = 96 + 1134/648 = 1230/648 - 1230/648 simplified gives 205/108
- So, 12/81 + 42/24 = 205/108
In mixed form: 197/108
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