What is 3/29-1/30?

How much is 329 minus 130. Step by step solution expressed as a proper or improper fraction, mixed number and decimal form.

  • 61870
  • 0.0701 (rounded to 4 decimals)

Step by step solution

Subtract

329 - 130 = 61870

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

    Multiples of 29 are   29, 58, 87, 116, 145, 174, ..., 870 ....etc

    Multiples of 30 are   30, 60, 90, 120, 150, 180, ..., 870 ...etc

    The LCM of 29 and 30 is 870. So, the common denominator of 329 and 130 is 870. Now change the fractions into equivalent fractions with common denominator

    • 329 - 130
    • 3 * 3029 * 30 - 1 * 2930 * 29
    • 90870 - 29870
  2. Subtract

    • 90870 - 29870
    • 90 - 29870
    • 61870

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

Simplify

  • 61870
  1. Reduce fraction to its lowest terms

    The greatest common divisor of 61 and 870 is 1, the fraction 61870 cannot be further simplified or reduced to lowest terms