Mini Calculator Logo. Fraction Calculator


Reduce

Usage Instructions

  • Enter each of your fractions in the above table.
  • Select the mathmatical operation you would like to perform using the gray dropdown select box between the two fractions.
  • Click the blue equal button to see your results.

How to Manually Calculate Fractions

How to Add Fractions

  • Find the lowest common denominator by multiplying each denominator by the other.
  • Multiply each numerator by the same numbers the denominators were multiplied by.
  • Add the numerators together.
  • Reduce result to most simplified number.

How to Subtract Fractions

  • Find the lowest common denominator by multiplying each denominator by the other.
  • Multiply each numerator by the same numbers the denominators were multiplied by.
  • Add the second numerator from the first.
  • Reduce result to most simplified number.

How to Multiply Fractions

  • Multiply the numbers across the top together.
  • Multiply the numbers across the bottom together.
  • Reduce result to most simplified number.

How to Divide Fractions

  • Turn the second fraction upside down to create the reciprocal number.
  • Multiply the fractions together (just like in the multiplication section above.
  • Reduce result to most simplified number.

Math Cartoons

Equivalent Fractions Cartoon.

Lowest Common Denominator.

Improper Fractions Cartoon.

I Did Half My Homework Cartoon.