What is 21/19+18/3?

How much is 2119 plus 183. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 13519
  • 7 219
  • 7.1053 (rounded to 4 decimals)

Step by step solution

Add

2119 + 183 = 40557

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

    Multiples of 19 are   19, 38, 57 ....etc

    Multiples of 3 are   3, 6, 9, 12, 15, 18, 21, 24, ..., 57 ...etc

    The LCM of 19 and 3 is 57. So, the common denominator of 2119 and 183 is 57. Now change the fractions into equivalent fractions with common denominator

    • 2119 + 183
    • 21 * 319 * 3 + 18 * 193 * 19
    • 6357 + 34257
  2. Add

    • 6357 + 34257
    • 63 + 34257
    • 40557

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

Simplify

  • 40557
  • 13519
  • 7 219
  1. Reduce fraction to its lowest terms

    • 40557
    • 405 ÷ 357 ÷ 3
    • 13519

    The greatest common divisor of 405 and 57 is 3, the fraction 40557 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 3.

  2. Convert improper fraction 13519 to mixed number

    • 13519
    • 7 219

    135 divided by 19 is 7 with a remainder of 2