What is 2/22-7/8?

How much is 222 minus 78. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • - 6988
  • 0.7841 (rounded to 4 decimals)

Step by step solution

Subtract

222 - 78 = - 6988

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

    Multiples of 22 are   22, 44, 66, 88 ....etc

    Multiples of 8 are   8, 16, 24, 32, 40, 48, 56, 64, ..., 88 ...etc

    The LCM of 22 and 8 is 88. So, the common denominator of 222 and 78 is 88. Now change the fractions into equivalent fractions with common denominator

    • 222 - 78
    • 2 * 422 * 4 - 7 * 118 * 11
    • 888 - 7788
  2. Subtract

    • 888 - 7788
    • 8 - 7788
    • - 6988

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

Simplify

  • - 6988
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 69 and 88 is 1, the fraction - 6988 cannot be further simplified or reduced to lowest terms