Mixed Numbers and Fractions Addition - Multiples

Mixed Numbers and Fractions Addition - Multiples

This is an online calculator that lets you easily add up fractions or mixed numbers. Input your fractions or mixed numbers, separated by commas or plus signs, and instantly get the sum in simplified form. It is ideal for students, teachers, and professionals needing quick and accurate fraction calculations, accepting positive and negative fractions separated by a plus sign 1/2 + 3/4 + 2 1/2 + -1/8 or separated with a comma 1/2, 3/4, 2 1/2. Mixed fractions (numbers) need a space between the integer and the fraction part.

Multiple Mixed Fractions Addition

Enter mixed numbers or fractions:

Results:

Sum:
LCM:

Calculator

  • enter fractions or mixed numbers separated by commas or plus signs

Result

  • the simplified "sum" from the above fractions
  • the least common multiple (LCM)
The Least Common Multiple (LCM) of two or more integers is the smallest integer that is divisible by each of the given integers without leaving a remainder and conventionally refers to a positive integer. When dealing with negative numbers, we typically find the LCM of their absolute values and then make the result negative, as negative numbers don't affect the concept of divisibility in the context of LCM.

Example Calculations

1/8 + 3/16 + -2 1/2 + 7/8 = -5/16 -- LCM = 16
3/4, 2/7, -1/4, -7/8, 3/16, 4/5 = 503/560 -- LCM = 560
1/2, 3/4, 3 3/20, 3/10 = 4 7/10 -- LCM = 20

Decimal System (Base-10) Calculators

Base Conversions:

Fraction and Mixed Number Operations:

Math Operations:

Number Theory:


Decimal (Base-10) Binary (Base-2) Octal (Base-8) Hexadecimal (Base-16)
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