Add 81/30 and 1/15
1st number: 2 21/30, 2nd number: 1/15
81/30 + 1/15 is 83/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
81/30 = 81 × 1/30 × 1 = 81/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
1/15 = 1 × 2/15 × 2 = 2/30 - Add the two like fractions:
81/30 + 2/30 = 81 + 2/30 = 83/30 - So, 81/30 + 1/15 = 83/30
In mixed form: 223/30
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