 https://es.khanacademy.org/math/cc-seventh-grade-math/cc-7th-fractions- decimals/cc-7th-fracs-to-decimals/v/converting-fractions-to-decimals-example.

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 decimals/cc-7th-fracs-to-decimals/v/converting-fractions-to-decimals-example decimals/cc-7th-fracs-to-decimals/v/converting-fractions-to-decimals-example  decimals/cc-7th-add-sub-rational-numbers/v/adding-and-subtracting-a-decimal- percentage-and-fraction decimals/cc-7th-add-sub-rational-numbers/v/adding-and-subtracting-a-decimal- percentage-and-fraction  decimals/cc-7th-add-sub-rational-numbers/v/adding-fractions-decimals-and- percentages decimals/cc-7th-add-sub-rational-numbers/v/adding-fractions-decimals-and- percentages