If 613 and 2a78 are equivalent fractions, then the value of a is ___ .
613=2a78 are equivalent fractions.
Equivalent fractions are obtained when you divide or multiply both numerator and denominator with the same number.
Here in the denominator, 13 × 6=78
So, 6 (numerator) has to be multiplied by 6 to get 2a.
Hence, 2a=6×6=36
And, a = 362=18
Therefore, 6×613×6=3678.