Question

$\frac{x}{3} = ( \frac{3}{3} ) + ( \frac{7}{15} )$
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Answer 1

Answer is 4.4.

3/3 + 7/15 = 66/45

x/3 = 66/45. (.: we have to cancel 45 in such way that 3 remains, in this case that is 15)

4.4/3 = x/3

x = 4.4