Multiply the denominator by the whole number, add that total to the numerator and put the whole thing over the original denominator.
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To convert a mixed number to an improper fraction, multiply the denominator by the whole number, add that total to the numerator and put the whole thing over the original denominator.
You cannot: whole numbers and improper fractions are disjoint sets.
you subtract mixed numbers by changing them to improper fractions. to borrow from a whole number you take away one like 5 changes to 4 and then you change look to the other mixed number your subtracting by and write its denominator as 4s denominator.
Covert each of the original mixed numbers to improper fractions;divide the improper fractions;simplify the resulting fraction, converting any improper fraction to a mixed number.45/8 = 37/823/4 = 11/4⇒ 45/8 ÷ 23/4 = 37/8 ÷ 11/4= 37/8 x 4/11= 37/22= 115/22
Improper fraction: 43/8 Mixed numbers: 6 1/8