What is 15/15-22/9?

How much is 1515 minus 229. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • - 139
  • - 1 49
  • 1.4444 (rounded to 4 decimals)

Step by step solution

Subtract

1515 - 229 = - 6545

  1. Find common denominator by finding the Least Common Multiple(LCM)

    Multiples of 15 are   15, 30, 45 ....etc

    Multiples of 9 are   9, 18, 27, 36, 45 ...etc

    The LCM of 15 and 9 is 45. So, the common denominator of 1515 and 229 is 45. Now change the fractions into equivalent fractions with common denominator

    • 1515 - 229
    • 15 * 315 * 3 - 22 * 59 * 5
    • 4545 - 11045
  2. Subtract

    • 4545 - 11045
    • 45 - 11045
    • - 6545

    Subtract the numerators and place the difference over the common denominator.

Simplify

  • - 6545
  • - 139
  • - 1 49
  1. Reduce fraction to its lowest terms

    • - 6545
    • - 65 ÷ 545 ÷ 5
    • - 139

    The greatest common divisor of 65 and 45 is 5, the fraction - 6545 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 5.

  2. Convert improper fraction 139 to mixed number

    • - 139
    • - 1 49

    13 divided by 9 is 1 with a remainder of 4