What is 25/6-15/7?

How much is 256 minus 157. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 8542
  • 2 142
  • 2.0238 (rounded to 4 decimals)

Step by step solution

Subtract

256 - 157 = 8542

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

    Multiples of 6 are   6, 12, 18, 24, 30, 36, 42 ....etc

    Multiples of 7 are   7, 14, 21, 28, 35, 42 ...etc

    The LCM of 6 and 7 is 42. So, the common denominator of 256 and 157 is 42. Now change the fractions into equivalent fractions with common denominator

    • 256 - 157
    • 25 * 76 * 7 - 15 * 67 * 6
    • 17542 - 9042
  2. Subtract

    • 17542 - 9042
    • 175 - 9042
    • 8542

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

Simplify

  • 8542
  • 2 142
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 85 and 42 is 1, the fraction 8542 cannot be further simplified or reduced to lowest terms

  2. Convert improper fraction 8542 to mixed number

    • 8542
    • 2 142

    85 divided by 42 is 2 with a remainder of 1