Question

without actual division find out if this is a terminating decimal or not?



1) 61/140
​

Answer 1

Answer:

No , it is not a terminating decimal

terminatingStep-by-step explanation:

it is not a terminating decimal as

upon diving 140 into factors

61/140

61/7×2×5×2

for a number to be terminating it is required that it should have factors of only 2 and 5 and not any other numbers . but as we see in this case factor distribution 7 is also included

hence , it is not a terminating decimal expansion

Answer 2

61/140

take the l.c.f= 2x2x5x7

as 7 is other than 2 and 5

.

. . 61/140 is a non terminating decimal representation

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