What is 5/1-23/20?

How much is 51 minus 2320. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 7720
  • 3 1720
  • 3.85

Step by step solution

Subtract

51 - 2320 = 7720

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

    Multiples of 1 are   1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ..., 20 ....etc

    Multiples of 20 are   20 ...etc

    The LCM of 1 and 20 is 20. So, the common denominator of 51 and 2320 is 20. Now change the fractions into equivalent fractions with common denominator

    • 51 - 2320
    • 5 * 201 * 20 - 23 * 120 * 1
    • 10020 - 2320
  2. Subtract

    • 10020 - 2320
    • 100 - 2320
    • 7720

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

Simplify

  • 7720
  • 3 1720
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 77 and 20 is 1, the fraction 7720 cannot be further simplified or reduced to lowest terms

  2. Convert improper fraction 7720 to mixed number

    • 7720
    • 3 1720

    77 divided by 20 is 3 with a remainder of 17