Question

4/7-3/5=?
pls explain ​

Answer 1

Answer:

$\frac{4}{7} - \frac{3}{5} \\ \\ \frac{(5 \times 4) - (7 \times 3)}{7 \times 5} \\ \\ \frac{20 - 21}{35} \\ \\ \frac{ - 1}{35} \\ \\ - \frac{1}{35}$

Answer is negative 1 upon 35

Answer 2

Step-by-step explanation:

Click on the images at the top

Rules :-

We should take lcm of denominators but 5 and 7 are odd numbers. So, we should multiply it 7×5=35

As we know : + & – = –

Therefore,

20–21 =–1