What is 11/8-13/7?

How much is 118 minus 137. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • - 2756
  • 0.4821 (rounded to 4 decimals)

Step by step solution

Subtract

118 - 137 = - 2756

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

    Multiples of 8 are   8, 16, 24, 32, 40, 48, 56 ....etc

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

    The LCM of 8 and 7 is 56. So, the common denominator of 118 and 137 is 56. Now change the fractions into equivalent fractions with common denominator

    • 118 - 137
    • 11 * 78 * 7 - 13 * 87 * 8
    • 7756 - 10456
  2. Subtract

    • 7756 - 10456
    • 77 - 10456
    • - 2756

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

Simplify

  • - 2756
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 27 and 56 is 1, the fraction - 2756 cannot be further simplified or reduced to lowest terms