What is 5/11-2/7?

How much is 511 minus 27. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 1377
  • 0.1688 (rounded to 4 decimals)

Step by step solution

Subtract

511 - 27 = 1377

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

    Multiples of 11 are   11, 22, 33, 44, 55, 66, 77 ....etc

    Multiples of 7 are   7, 14, 21, 28, 35, 42, 49, 56, ..., 77 ...etc

    The LCM of 11 and 7 is 77. So, the common denominator of 511 and 27 is 77. Now change the fractions into equivalent fractions with common denominator

    • 511 - 27
    • 5 * 711 * 7 - 2 * 117 * 11
    • 3577 - 2277
  2. Subtract

    • 3577 - 2277
    • 35 - 2277
    • 1377

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

Simplify

  • 1377
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 13 and 77 is 1, the fraction 1377 cannot be further simplified or reduced to lowest terms