Numerator and denominator

**1)**What no. should be subtracted from both numerator and denominator of the fraction 29/37 to make it equal to 5/7 ?

**Solution**

I think 4 should be subtracted from numerator but if 4 is subtracted from 37 it will not give answer as 7 after cutting.

**2)**After spending 5/8 of money on marketing, a lady had $10.50 left. How much she had at the start ?

**Solution**

10.50*(8/5)=$16.8 right ?

Re: Numerator and denominator

Quote:

Originally Posted by

**haftakhan** **1)**What no. should be subtracted from both numerator and denominator of the fraction 29/37 to make it equal to 5/7 ?

Solve $\displaystyle \frac{29-x}{37-x}=\frac{5}{7}~.$

Re: Numerator and denominator

Re: Numerator and denominator

Quote:

Originally Posted by

**haftakhan** ...

**2)**After spending 5/8 of money on marketing, a lady had $10.50 left. How much she had at the start ?

**Solution**

10.50*(8/5)=$16.8 right ? ..... **No**

If she's spend $\displaystyle \frac58$ of her money then the rest would be $\displaystyle \frac38$ of her money:

$\displaystyle \frac38 \cdot m = \$10.5$

where m denotes the amount of money at the start of the shopping tour.