Question

please guys help in this problem ​

Answer 1

Answer:

1.4*5*1+2*2*1=21+5

--. --

4 2

Step-by-step explanation:

21*2=42

4*2=8

5*4=20

2*4=8

42+20=62

=62

8

Answer 2

1)

$5 \frac{1}{4} + 2 \frac{1}{2}$

$= \frac{21}{4} + \frac{5}{4}$

$= \frac{26}{4}$

$= 6.5$

2)

$6 \frac{3}{4} + 3 \frac{1}{3}$

$\frac{27}{4} + \frac{10}{3}$

$\frac{27 \times 3}{4 \times 3} + \frac{10 \times 4}{3 \times 4}$

$\frac{81}{12} + \frac{40}{12}$

$\frac{121}{12}$