Add 15/30 and 56/81
15/30 + 56/81 is 193/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
15/30 = 15 × 27/30 × 27 = 405/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
56/81 = 56 × 10/81 × 10 = 560/810 - Add the two like fractions:
405/810 + 560/810 = 405 + 560/810 = 965/810 - 965/810 simplified gives 193/162
- So, 15/30 + 56/81 = 193/162
In mixed form: 131/162
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