Add 81/5 and 15/45
1st number: 16 1/5, 2nd number: 15/45
81/5 + 15/45 is 248/15.
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,
15/45 = 15 × 1/45 × 1 = 15/45 - Add the two like fractions:
729/45 + 15/45 = 729 + 15/45 = 744/45 - 744/45 simplified gives 248/15
- So, 81/5 + 15/45 = 248/15
In mixed form: 168/15
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