What is 5/10-25/20?

How much is 510 minus 2520. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • - 34
  • 0.75

Step by step solution

Subtract

510 - 2520 = - 1520

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

    Multiples of 10 are   10, 20 ....etc

    Multiples of 20 are   20 ...etc

    The LCM of 10 and 20 is 20. So, the common denominator of 510 and 2520 is 20. Now change the fractions into equivalent fractions with common denominator

    • 510 - 2520
    • 5 * 210 * 2 - 25 * 120 * 1
    • 1020 - 2520
  2. Subtract

    • 1020 - 2520
    • 10 - 2520
    • - 1520

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

Simplify

  • - 1520
  • - 34
  1. Reduce fraction to its lowest terms

    • - 1520
    • - 15 ÷ 520 ÷ 5
    • - 34

    The greatest common divisor of 15 and 20 is 5, the fraction - 1520 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 5.