Add 9/5 and 75/81
1st number: 1 4/5, 2nd number: 75/81
9/5 + 75/81 is 368/135.
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,
9/5 = 9 × 81/5 × 81 = 729/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
75/81 = 75 × 5/81 × 5 = 375/405 - Add the two like fractions:
729/405 + 375/405 = 729 + 375/405 = 1104/405 - 1104/405 simplified gives 368/135
- So, 9/5 + 75/81 = 368/135
In mixed form: 298/135
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