Question

найдите сумму чисел 15 7/20 и 3 11/15​

Answer 1

$15 frac{7}{20} + 3frac{11}{15} = frac{307}{20} + frac{56}{15} = frac{921}{60} + frac{224}{60} = frac{1145}{60} = frac{229}{12} = 19 frac{1}{12}$