Question

3 1/4+2 5/6-1 3/8


me ajudem​

Answer 1

Resposta:

b) $=\frac{15}{2}$

c) = $=\frac{-7}{15}$

d) = $-\frac{16}{15}$

Explicação passo-a-passo:

b)

$=\frac{3\cdot \:5}{2\cdot \:1}\\=\frac{3\cdot \:5}{2}\\=\frac{15}{2}$

c)

$=-\frac{10}{15}+\frac{3}{15}\\=\frac{-10+3}{15}\\=\frac{-7}{15}$

d)

$=-\frac{4\cdot \:4}{3\cdot \:5}\\=-\frac{16}{3\cdot \:5}\\=-\frac{16}{15}$