Add 18/3 and 63/81
1st number: 6 0/3, 2nd number: 63/81
18/3 + 63/81 is 61/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
18/3 = 18 × 27/3 × 27 = 486/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
63/81 = 63 × 1/81 × 1 = 63/81 - Add the two like fractions:
486/81 + 63/81 = 486 + 63/81 = 549/81 - 549/81 simplified gives 61/9
- So, 18/3 + 63/81 = 61/9
In mixed form: 67/9
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