What is 25/21-13/28?

How much is 2521 minus 1328. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 6184
  • 0.7262 (rounded to 4 decimals)

Step by step solution

Subtract

2521 - 1328 = 6184

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

    Multiples of 21 are   21, 42, 63, 84 ....etc

    Multiples of 28 are   28, 56, 84 ...etc

    The LCM of 21 and 28 is 84. So, the common denominator of 2521 and 1328 is 84. Now change the fractions into equivalent fractions with common denominator

    • 2521 - 1328
    • 25 * 421 * 4 - 13 * 328 * 3
    • 10084 - 3984
  2. Subtract

    • 10084 - 3984
    • 100 - 3984
    • 6184

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

Simplify

  • 6184
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 61 and 84 is 1, the fraction 6184 cannot be further simplified or reduced to lowest terms