Add 48/81 and 21/42
48/81 + 21/42 is 59/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 42 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
48/81 = 48 × 14/81 × 14 = 672/1134 - Likewise, for the 2nd fraction, since 42 × 27 = 1134,
21/42 = 21 × 27/42 × 27 = 567/1134 - Add the two like fractions:
672/1134 + 567/1134 = 672 + 567/1134 = 1239/1134 - 1239/1134 simplified gives 59/54
- So, 48/81 + 21/42 = 59/54
In mixed form: 15/54
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