Add 42/48 and 15/81
42/48 + 15/81 is 229/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 48 × 27 = 1296,
42/48 = 42 × 27/48 × 27 = 1134/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
15/81 = 15 × 16/81 × 16 = 240/1296 - Add the two like fractions:
1134/1296 + 240/1296 = 1134 + 240/1296 = 1374/1296 - 1374/1296 simplified gives 229/216
- So, 42/48 + 15/81 = 229/216
In mixed form: 113/216
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