Add 28/5 and 3/81
1st number: 5 3/5, 2nd number: 3/81
28/5 + 3/81 is 761/135.
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,
28/5 = 28 × 81/5 × 81 = 2268/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
3/81 = 3 × 5/81 × 5 = 15/405 - Add the two like fractions:
2268/405 + 15/405 = 2268 + 15/405 = 2283/405 - 2283/405 simplified gives 761/135
- So, 28/5 + 3/81 = 761/135
In mixed form: 586/135
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