Add 81/45 and 18/25
1st number: 1 36/45, 2nd number: 18/25
81/45 + 18/25 is 63/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
81/45 = 81 × 5/45 × 5 = 405/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
18/25 = 18 × 9/25 × 9 = 162/225 - Add the two like fractions:
405/225 + 162/225 = 405 + 162/225 = 567/225 - 567/225 simplified gives 63/25
- So, 81/45 + 18/25 = 63/25
In mixed form: 213/25
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