Add 30/81 and 45/24
1st number: 30/81, 2nd number: 1 21/24
30/81 + 45/24 is 485/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 24 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
30/81 = 30 × 8/81 × 8 = 240/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
45/24 = 45 × 27/24 × 27 = 1215/648 - Add the two like fractions:
240/648 + 1215/648 = 240 + 1215/648 = 1455/648 - 1455/648 simplified gives 485/216
- So, 30/81 + 45/24 = 485/216
In mixed form: 253/216
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