15+16\dfrac{1}{5} + \dfrac{1}{6}
15+16\dfrac{1}{5} + \dfrac{1}{6}
Since these fractions have different denominators, we need to find the least common multiple of the denominators
The least common multiple of 5 and 6 is 30, so we need to multiply to make each of the denominators = 30
15∗66=630\dfrac{1}{5} * \dfrac{6}{6} = \dfrac{6}{30}
16∗55=530\dfrac{1}{6} * \dfrac{5}{5} = \dfrac{5}{30}
Since these fractions have the same denominator, we can just add the numerators
630+530=1130\dfrac{6}{30} + \dfrac{5}{30} = \dfrac{11}{30}