Add 15/5 and 81/16
1st number: 3 0/5, 2nd number: 5 1/16
15/5 + 81/16 is 129/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
15/5 = 15 × 16/5 × 16 = 240/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
81/16 = 81 × 5/16 × 5 = 405/80 - Add the two like fractions:
240/80 + 405/80 = 240 + 405/80 = 645/80 - 645/80 simplified gives 129/16
- So, 15/5 + 81/16 = 129/16
In mixed form: 81/16
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