What is 14/8-7/9?

How much is 148 minus 79. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 3536
  • 0.9722 (rounded to 4 decimals)

Step by step solution

Subtract

148 - 79 = 7072

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

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

    Multiples of 9 are   9, 18, 27, 36, 45, 54, 63, 72 ...etc

    The LCM of 8 and 9 is 72. So, the common denominator of 148 and 79 is 72. Now change the fractions into equivalent fractions with common denominator

    • 148 - 79
    • 14 * 98 * 9 - 7 * 89 * 8
    • 12672 - 5672
  2. Subtract

    • 12672 - 5672
    • 126 - 5672
    • 7072

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

Simplify

  • 7072
  • 3536
  1. Reduce fraction to its lowest terms

    • 7072
    • 70 ÷ 272 ÷ 2
    • 3536

    The greatest common divisor of 70 and 72 is 2, the fraction 7072 can be simplified or reduced to lowest terms by dividing the numerator and denominator by 2.