Least common multiples are most helpful for A
adding and subtracting fractions
B
B
reducing fractions
с
multiplying and dividing fractions
D
finding the greatest common factor

A

Step-by-step explanation:

Least common multiples are most helpful for adding and subtracting fractions because in order to add and subtract fractions you need to find a common denominator. If you want to do that you have to use least common multiples.

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step-by-step explanation:

are ya tryin to ask something or is this a statement