Add 24/81 and 45/21
1st number: 24/81, 2nd number: 2 3/21
24/81 + 45/21 is 461/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 21 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
24/81 = 24 × 7/81 × 7 = 168/567 - Likewise, for the 2nd fraction, since 21 × 27 = 567,
45/21 = 45 × 27/21 × 27 = 1215/567 - Add the two like fractions:
168/567 + 1215/567 = 168 + 1215/567 = 1383/567 - 1383/567 simplified gives 461/189
- So, 24/81 + 45/21 = 461/189
In mixed form: 283/189
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