Question

Six bottles of oil contain 4 1/5L, 3 1/4 L, 3L, 6 1/2L, 7L, and 5 1/3L, oil respectively. These bottles are emptied in an empty can.
How much oil is there in the can?

please tell me step by step​

Answer 1

Answer:

$4 \frac{1}{5} + 3 \frac{1}{4} + 3 + 6 \frac{1}{2} + 7 + 5 \frac{1}{3} \\ = \frac{21}{5} + \frac{13}{4} + 3 + \frac{13}{2} + 7 + \frac{16}{3} \\ = \frac{252 + 195 + 180 + 390 + 420 + 320}{60} \\ = \frac{1757}{60} \\ = 29 \frac{17}{60} \: litres$

Answer 2

Answer:

$4 \frac{1}{5} + 3 \frac{1}{4} + 3 + 6 \frac{1}{2} + 7 + 5 \frac{1}{3}$

$\frac{21}{5} + \frac{13}{4} + \frac{3}{1} + \frac{13}{2} + \frac{7}{1} + \frac{16}{3}$

$\frac{(21 \times 12) + (13 \times 15) + (3 \times 60) + (13 \times 30) + (7 \times 60) + (16 \times 20)}{60}$

$\frac{252 + 195 + 180 + 390 + 420 + 320}{60}$

$\frac{1757}{60}$

$29 \frac{17}{60} \: litres$

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