Question

Which of the following is an irreducible fraction?(a)105/112 (b) 66/77 (c)46/63 (d)51/85

Answer 1

Answer:

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Step-by-step explanation:

a). 105/112

dividing by 7, we have /16

so it's a reducible fraction .

b). 66/77

dividing by 11 we /7

so it is also a reducible fraction.

c). 46/63

it is an irreducible fraction

d). 51/85

dividing by 17

we have 3/5

hence it's a reducible fraction .

thus,46/63 is an irreducible fraction in the given options

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