What is 18/10-8/3?

How much is 1810 minus 83. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • - 1315
  • 0.8667 (rounded to 4 decimals)

Step by step solution

Subtract

1810 - 83 = - 2630

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

    Multiples of 10 are   10, 20, 30 ....etc

    Multiples of 3 are   3, 6, 9, 12, 15, 18, 21, 24, ..., 30 ...etc

    The LCM of 10 and 3 is 30. So, the common denominator of 1810 and 83 is 30. Now change the fractions into equivalent fractions with common denominator

    • 1810 - 83
    • 18 * 310 * 3 - 8 * 103 * 10
    • 5430 - 8030
  2. Subtract

    • 5430 - 8030
    • 54 - 8030
    • - 2630

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

Simplify

  • - 2630
  • - 1315
  1. Reduce fraction to its lowest terms

    • - 2630
    • - 26 ÷ 230 ÷ 2
    • - 1315

    The greatest common divisor of 26 and 30 is 2, the fraction - 2630 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.