Add 5/81 and 63/42
1st number: 5/81, 2nd number: 1 21/42
5/81 + 63/42 is 253/162.
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,
5/81 = 5 × 14/81 × 14 = 70/1134 - Likewise, for the 2nd fraction, since 42 × 27 = 1134,
63/42 = 63 × 27/42 × 27 = 1701/1134 - Add the two like fractions:
70/1134 + 1701/1134 = 70 + 1701/1134 = 1771/1134 - 1771/1134 simplified gives 253/162
- So, 5/81 + 63/42 = 253/162
In mixed form: 191/162
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