Adding & subtracting decimals word problems

Practice solving word problems by adding or subtracting decimal numbers.

Problem

On Monday, Vanessa and Ishaan decided to see how fast they could sprint 200 meters. They asked their friend Luis to time them with a stopwatch.
Vanessa sprinted first and ran 200 meters in 54, point, 91 seconds. When it was Ishaan's turn, he sped off and completed the run in 46, point, 07 seconds.
How much faster was Ishaan than Vanessa in seconds?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
seconds