Add 27/10 and 15/81
1st number: 2 7/10, 2nd number: 15/81
27/10 + 15/81 is 779/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
27/10 = 27 × 81/10 × 81 = 2187/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
15/81 = 15 × 10/81 × 10 = 150/810 - Add the two like fractions:
2187/810 + 150/810 = 2187 + 150/810 = 2337/810 - 2337/810 simplified gives 779/270
- So, 27/10 + 15/81 = 779/270
In mixed form: 2239/270
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