Add 81/5 and 84/45
1st number: 16 1/5, 2nd number: 1 39/45
81/5 + 84/45 is 271/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
81/5 = 81 × 9/5 × 9 = 729/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
84/45 = 84 × 1/45 × 1 = 84/45 - Add the two like fractions:
729/45 + 84/45 = 729 + 84/45 = 813/45 - 813/45 simplified gives 271/15
- So, 81/5 + 84/45 = 271/15
In mixed form: 181/15
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