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Grade-3
Equivalent Fractions Missing Number
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Choose the missing number that makes these fractions equivalent:
2
7
=
?
21
Explanation
Now, consider left hand side of the given expression
2/7
Multiply numerator and denominator by 3 we get:
= (2 x 3)/(7 x 3)
= 6/21
Therefore, 2/7 is equivalent to 6/21 and the missing number is 6
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