Q. Divide. Write the quotient in lowest terms.85÷131=
Convert to improper fraction: Convert the mixed number to an improper fraction.131 is a mixed number. To convert it to an improper fraction, multiply the whole number by the denominator of the fraction and add the numerator. Then place the result over the original denominator.1×3+1=3+1=4So, 131 as an improper fraction is 34.
Take reciprocal and rewrite as multiplication: Rewrite the division problem as a multiplication problem by taking the reciprocal of the second fraction.To divide by a fraction, you multiply by its reciprocal. The reciprocal of 34 is 43.So, 85÷34 becomes 85⋅43.
Multiply numerators and denominators: Multiply the numerators and then the denominators.Multiply the numerators: 5×3=15Multiply the denominators: 8×4=32So, (85)×(43)=3215.
Simplify the fraction: Simplify the fraction, if possible.Check if the numerator and denominator have any common factors that can be divided out. In this case, 15 and 32 do not have any common factors other than 1, so the fraction is already in its simplest form.
More problems from Multiply and divide rational expressions