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1/4 + 1/5 = 9/20

Answer:

To add fractions with different denominators, get the Least Common Denominator (LCD) of the addends first, then add the numerators of the fractions.

In 1/4 + 1/5, the LCD is 20.

1/4 = 5/20

1/5 = 4/20

.......=====

....... 9/20

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12y ago

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