What is 10/21-1/24?

How much is 1021 minus 124. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 73168
  • 0.4345 (rounded to 4 decimals)

Step by step solution

Subtract

1021 - 124 = 73168

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

    Multiples of 21 are   21, 42, 63, 84, 105, 126, 147, 168 ....etc

    Multiples of 24 are   24, 48, 72, 96, 120, 144, 168 ...etc

    The LCM of 21 and 24 is 168. So, the common denominator of 1021 and 124 is 168. Now change the fractions into equivalent fractions with common denominator

    • 1021 - 124
    • 10 * 821 * 8 - 1 * 724 * 7
    • 80168 - 7168
  2. Subtract

    • 80168 - 7168
    • 80 - 7168
    • 73168

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

Simplify

  • 73168
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 73 and 168 is 1, the fraction 73168 cannot be further simplified or reduced to lowest terms