Q. Evaluate the expression shown below and write your answer as a fraction in simplest form. −73÷116×53
Understand the problem: Understand the problem.We need to simplify the expression −73÷116×53. This involves division and multiplication of fractions.
Rewrite the division as multiplication: Rewrite the division as multiplication.To divide by a fraction, we multiply by its reciprocal. So, −73÷116 becomes −73×611.
Perform the multiplication: Perform the multiplication.Now we multiply −73×611×53. When multiplying fractions, we multiply the numerators together and the denominators together.7×6×5−3×11×3
Calculate the numerator: Calculate the numerator.−3×11×3=−9×11=−99
Calculate the denominator: Calculate the denominator. 7×6×5=42×5=210
Write the fraction: Write the fraction.The fraction is now −21099.
Simplify the fraction: Simplify the fraction.We need to find the greatest common divisor (GCD) of 99 and 210 to simplify the fraction. The GCD of 99 and 210 is 3.
Divide both the numerator and the denominator by the GCD: Divide both the numerator and the denominator by the GCD.−99÷3=−33210÷3=70So, the simplified fraction is −7033.
More problems from Find the value of an infinite geometric series