What is 11/8+13/7?

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

  • 18156
  • 3 1356
  • 3.2321 (rounded to 4 decimals)

Step by step solution

Add

118 + 137 = 18156

  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. Add

    • 7756 + 10456
    • 77 + 10456
    • 18156

    Add the numerators and place the sum over the common denominator.

Simplify

  • 18156
  • 3 1356
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 181 and 56 is 1, the fraction 18156 cannot be further simplified or reduced to lowest terms

  2. Convert improper fraction 18156 to mixed number

    • 18156
    • 3 1356

    181 divided by 56 is 3 with a remainder of 13