[tex] \frac{7}{8} = \frac{? : 7}{48 :8} = \frac{? : 7}{48:8 = 6} [/tex]
denominator and numerator always multiply or divide by the same number
We know that the denominator is multiplied by 6. For 6 multiply counter
[tex] \frac{7}{8} = \frac{7*6}{8*6} = \frac{42}{48} [/tex]
? = 42
