By Brenda J. Church on June 22 2018 17:01:52
If the two values being subtracted are mixed fractions, it is often easier to turn them into improper fractions to perform the subtraction. This avoids any kind regrouping or borrowing from the minuend fraction if the numerator in the subtrahend is larger.
To multiply fractions, first convert any mixed fractions to improper fractions. Then, multiply the numerators across to get the answer numerator. Do the same thing for the denominators, multiplying the two values across to get the answer fraction s denominator. Reduce, and if the answer is improper, turn it into a mixed fraction.
When you see a fraction, you see a numerator and a denominator. To find the common factor, see whichever number among these is least: The numerator, the denominator or the difference between numerator and denominator.
Start by following the basic process for fraction multiplication, turning any mixed fractions into improper ones. Before you cross cancel or multiply, however, swap the numerator and the denominator in the second fraction. This is called taking the reciprocal and it is the key step to turn this into a division operation. Then, cross cancel, multiply across to get the answer fraction, and reduce.