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Cross multiplication is when you multiply the denominator of a fraction by the numerator of another fraction. Before you cross multiply you want to see if you can simply the fractions.
yes
cross multiply and the fraction with the largest total is a greater fraction
easy, just cross multiply
When you add or subtract fractions you cross multiply and when you multiply or divide fractions you across multiply.
When doing fractions, you may cross multiply.
yes
No.
You do not need to.
cross multiply
to order fractions you can cross multiply two fractions at a time or you can convert all the fractions into decimals.
To divide fractions, turn the second one over - that is, swap its numerator and denominator - and multiply. Nothing else is necessary. You cross multiply when you have a proportion, that is when you have two ratios that are equal.
Change the fractions to the same denominator then compare.A quick way is to multiply UP on cross multiply and compare.
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if youre dealing with fractions then you multiply top by top and bottom by bottom then simplify
Cross multiplication is when you multiply the denominator of a fraction by the numerator of another fraction. Before you cross multiply you want to see if you can simply the fractions.