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To convert unlike fractions to like fractions, it is necessary to find the LCM of the unlike denominators. This will give you the least common denominator.

Example: 1/3 and 1/8. The LCM of 3 and 8 is 24. To convert 3rds to 24ths, multiply the numerator and the denominator by 8. To convert 8ths to 24ths, multiply the numerator and the denominator by 3.

1/3 + 1/8 = 8/24 + 3/24 = 11/24

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9y ago

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