Question

вычислить 3 2/5-4/5+4/15=

Answer 1

3 2/5 - 4/5 + 4/15 = 17/5 - 4/5 + 4/15 = 13/5 + 4/15 = 2 3/5 + 4/15 = 2 9/15 + 4/15 = 2 13/15

Answer 2

$frac{32}{5} - frac{4}{5} + frac{4}{15} = frac{32*3-4*3+4}{15} = frac{96-12+4}{15} = frac{88}{15} =5 frac{13}{15}$