Add 81/5 and 25/30
1st number: 16 1/5, 2nd number: 25/30
81/5 + 25/30 is 511/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
81/5 = 81 × 6/5 × 6 = 486/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
25/30 = 25 × 1/30 × 1 = 25/30 - Add the two like fractions:
486/30 + 25/30 = 486 + 25/30 = 511/30 - So, 81/5 + 25/30 = 511/30
In mixed form: 171/30
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