Add 98/5 and 3/81
1st number: 19 3/5, 2nd number: 3/81
98/5 + 3/81 is 2651/135.
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,
98/5 = 98 × 81/5 × 81 = 7938/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
3/81 = 3 × 5/81 × 5 = 15/405 - Add the two like fractions:
7938/405 + 15/405 = 7938 + 15/405 = 7953/405 - 7953/405 simplified gives 2651/135
- So, 98/5 + 3/81 = 2651/135
In mixed form: 1986/135
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