Add 3/81 and 45/30
1st number: 3/81, 2nd number: 1 15/30
3/81 + 45/30 is 83/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
3/81 = 3 × 10/81 × 10 = 30/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
45/30 = 45 × 27/30 × 27 = 1215/810 - Add the two like fractions:
30/810 + 1215/810 = 30 + 1215/810 = 1245/810 - 1245/810 simplified gives 83/54
- So, 3/81 + 45/30 = 83/54
In mixed form: 129/54
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