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അംശം 1 ആയ 2 ഭിന്നസംഖ്യകളുടെ തുക 10/21 ഒരു ഭിന്നസംഖ്യ 1/7 ആയാൽ രണ്ടാമത്തേത് ?

A9 /14

B1/3

C1/10

D1/21

Answer:

B. 1/3

Read Explanation:

1/7 + X = 10/21 X = 10/21 - 1/7 = (10 - 3)/21 = 7/21 = 1/3


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