Add 8/81 and 90/30
1st number: 8/81, 2nd number: 3 0/30
8/81 + 90/30 is 251/81.
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,
8/81 = 8 × 10/81 × 10 = 80/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
90/30 = 90 × 27/30 × 27 = 2430/810 - Add the two like fractions:
80/810 + 2430/810 = 80 + 2430/810 = 2510/810 - 2510/810 simplified gives 251/81
- So, 8/81 + 90/30 = 251/81
In mixed form: 38/81
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