If your calculator is a scientific one then just press the S<=>D button
You can add fractions if you have a scientific calculator. All you have to do is press the b/c button. If you don't have one, you could always turn the fraction into a decimal.
There isn't one.
Multiply by three.
By putting the whole numbers with a one at the bottom so it will be a denominator and multiply
Invert (flip) the second one, and then multiply them.
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.
Multiply 7 and 8 by any number (the same number) to get equivalent fractions. If you multiply by one, however, you might be surprised by what you get.
One may add, subtract, multiply and divide fractions once one has found the common denominator. Horse Isle Real Time Quiz Answer: common denominator