What is 2/21+22/6?

How much is 221 plus 226. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 7921
  • 3 1621
  • 3.7619 (rounded to 4 decimals)

Step by step solution

Add

221 + 226 = 15842

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

    Multiples of 21 are   21, 42 ....etc

    Multiples of 6 are   6, 12, 18, 24, 30, 36, 42 ...etc

    The LCM of 21 and 6 is 42. So, the common denominator of 221 and 226 is 42. Now change the fractions into equivalent fractions with common denominator

    • 221 + 226
    • 2 * 221 * 2 + 22 * 76 * 7
    • 442 + 15442
  2. Add

    • 442 + 15442
    • 4 + 15442
    • 15842

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

Simplify

  • 15842
  • 7921
  • 3 1621
  1. Reduce fraction to its lowest terms

    • 15842
    • 158 ÷ 242 ÷ 2
    • 7921

    The greatest common divisor of 158 and 42 is 2, the fraction 15842 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.

  2. Convert improper fraction 7921 to mixed number

    • 7921
    • 3 1621

    79 divided by 21 is 3 with a remainder of 16