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Question

Which is the correct answer for following expression:
Subtract:27 from 49

A
1463
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B
1563
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C
1663
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D
1763
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Solution

The correct option is A 1463

Subtract:2749
As these are unlike fractions, we need to convert the fractions into like fractions.

To convert into like fractions, we multiply the denominator of one fraction with the numerator and denominator of the other fraction.

Multiply 27 with 9 to convert the denominator into 63, we get:

27 = 2×97×9 = 1463

(multiplying with the denominator 9 of the second fraction)

Multiply 49 with 7 to convert the denominator into 63, we get:

49 = 4×79×7 = 2863

(multiplying with the denominator 7 of the first fraction)

Let's Subtract the like fractions now.
28631463

As these are like fractions, subtract the numerators only, and the denominators remains the same

=28631463=281463=1463

Hence, 28631463 = 1463

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