Add 5/81 and 40/30
1st number: 5/81, 2nd number: 1 10/30
5/81 + 40/30 is 113/81.
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,
5/81 = 5 × 10/81 × 10 = 50/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
40/30 = 40 × 27/30 × 27 = 1080/810 - Add the two like fractions:
50/810 + 1080/810 = 50 + 1080/810 = 1130/810 - 1130/810 simplified gives 113/81
- So, 5/81 + 40/30 = 113/81
In mixed form: 132/81
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