Add 90/81 and 15/10
1st number: 1 9/81, 2nd number: 1 5/10
90/81 + 15/10 is 47/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
90/81 = 90 × 10/81 × 10 = 900/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
15/10 = 15 × 81/10 × 81 = 1215/810 - Add the two like fractions:
900/810 + 1215/810 = 900 + 1215/810 = 2115/810 - 2115/810 simplified gives 47/18
- So, 90/81 + 15/10 = 47/18
In mixed form: 211/18
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