What is 12/24-15/12?

How much is 1224 minus 1512. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • - 34
  • 0.75

Step by step solution

Subtract

1224 - 1512 = - 1824

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

    Multiples of 24 are   24 ....etc

    Multiples of 12 are   12, 24 ...etc

    The LCM of 24 and 12 is 24. So, the common denominator of 1224 and 1512 is 24. Now change the fractions into equivalent fractions with common denominator

    • 1224 - 1512
    • 12 * 124 * 1 - 15 * 212 * 2
    • 1224 - 3024
  2. Subtract

    • 1224 - 3024
    • 12 - 3024
    • - 1824

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

Simplify

  • - 1824
  • - 34
  1. Reduce fraction to its lowest terms

    • - 1824
    • - 18 ÷ 624 ÷ 6
    • - 34

    The greatest common divisor of 18 and 24 is 6, the fraction - 1824 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 6.