Add 16/5 and 15/81
1st number: 3 1/5, 2nd number: 15/81
16/5 + 15/81 is 457/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
16/5 = 16 × 81/5 × 81 = 1296/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
15/81 = 15 × 5/81 × 5 = 75/405 - Add the two like fractions:
1296/405 + 75/405 = 1296 + 75/405 = 1371/405 - 1371/405 simplified gives 457/135
- So, 16/5 + 15/81 = 457/135
In mixed form: 352/135
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