Question

3. Simplify and express the result as a rational number in standard form.
I) -9/7×-35/6
II) -115/28×-49/69
III) -15/14×112/-105
IV) -39/3× 19/5×-45/38

please do it with formulas not only answer..
if done properly I'll mark you as brainliest
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Answer 1

Answer:

take the lcm of denominators and do the subtraction of fractions

Answer 2

Step-by-step explanation:

i hope my answer will help you dear