If you have 2 fractions then you do cross multiplication where you take the left numerator and times it by the right denominator if your looking for the numerator. If your looking
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5/10=x/2. There are two ways you can solve this. You can straight out simply the equation. 5/10 is simplified to 1/2. 1/2=x/2. x=1. The other way is just by writing out the equation
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1. Crossmultiplication is a process by which the numerator of each fraction is multiplied by the denominator of the other fraction. Crossmultiply fractions that have been set equal
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Well you need to find a fraction of 3. Which would technically
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