Add 81/6 and 81/30
1st number: 13 3/6, 2nd number: 2 21/30
81/6 + 81/30 is 81/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
81/6 = 81 × 5/6 × 5 = 405/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
81/30 = 81 × 1/30 × 1 = 81/30 - Add the two like fractions:
405/30 + 81/30 = 405 + 81/30 = 486/30 - 486/30 simplified gives 81/5
- So, 81/6 + 81/30 = 81/5
In mixed form: 161/5
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