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Find the LCM of the denominators in question. To add or subtract unlike fractions, like 3/5 and 4/6, find the LCM of 5 and 6, which is 30.

3/5 = 18/30

4/6 = 20/30

3/5 + 4/6 = 38/30

Reduce, if possible.

38/30 = 19/15 or 1 and 4/15

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12y ago

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