Add 63/42 and 21/81
1st number: 1 21/42, 2nd number: 21/81
63/42 + 21/81 is 95/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 42 × 27 = 1134,
63/42 = 63 × 27/42 × 27 = 1701/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
21/81 = 21 × 14/81 × 14 = 294/1134 - Add the two like fractions:
1701/1134 + 294/1134 = 1701 + 294/1134 = 1995/1134 - 1995/1134 simplified gives 95/54
- So, 63/42 + 21/81 = 95/54
In mixed form: 141/54
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