What is 3/18+9/8?

How much is 318 plus 98. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 3124
  • 1 724
  • 1.2917 (rounded to 4 decimals)

Step by step solution

Add

318 + 98 = 9372

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

    Multiples of 18 are   18, 36, 54, 72 ....etc

    Multiples of 8 are   8, 16, 24, 32, 40, 48, 56, 64, 72 ...etc

    The LCM of 18 and 8 is 72. So, the common denominator of 318 and 98 is 72. Now change the fractions into equivalent fractions with common denominator

    • 318 + 98
    • 3 * 418 * 4 + 9 * 98 * 9
    • 1272 + 8172
  2. Add

    • 1272 + 8172
    • 12 + 8172
    • 9372

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

Simplify

  • 9372
  • 3124
  • 1 724
  1. Reduce fraction to its lowest terms

    • 9372
    • 93 ÷ 372 ÷ 3
    • 3124

    The greatest common divisor of 93 and 72 is 3, the fraction 9372 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 3.

  2. Convert improper fraction 3124 to mixed number

    • 3124
    • 1 724

    31 divided by 24 is 1 with a remainder of 7