Question

What is the smallest number which when divided by 45 and 63 leaves a remainder 4 and 5?

Answer 1

you need to find the lcm of 45 and 63

45=5 x 3 x 3

63=3 x 3 x 7

LCM =3 x 3 x 7 x 5 = 315

hope it helps.

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