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Grade-4
Equivalent Fractions Missing Number
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Choose the missing number that makes these fractions equivalent:
6
21
=
?
63
Explanation
Now, consider left hand side of the given expression
6/21
Multiply numerator and denominator by 3 we get:
= (6 x 3)/(21 x 3)
= 18/63
Therefore, 6/21 is equivalent to 18/63 and the missing number is 18
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