What is 9/25-3/15?

How much is 925 minus 315. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 425
  • 0.16

Step by step solution

Subtract

925 - 315 = 1275

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

    Multiples of 25 are   25, 50, 75 ....etc

    Multiples of 15 are   15, 30, 45, 60, 75 ...etc

    The LCM of 25 and 15 is 75. So, the common denominator of 925 and 315 is 75. Now change the fractions into equivalent fractions with common denominator

    • 925 - 315
    • 9 * 325 * 3 - 3 * 515 * 5
    • 2775 - 1575
  2. Subtract

    • 2775 - 1575
    • 27 - 1575
    • 1275

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

Simplify

  • 1275
  • 425
  1. Reduce fraction to its lowest terms

    • 1275
    • 12 ÷ 375 ÷ 3
    • 425

    The greatest common divisor of 12 and 75 is 3, the fraction 1275 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 3.