Answer :
A. Considering the rational number =
-12 = 2 × 2 × 3 × -1
72 = 2 × 2 × 2 × 3 × 3
H.C.F. = 12
To convert into it’s standard form,
Divide the numerator and denominator by H.C.F.
⇒
⇒
B. Considering the rational number =
14 = 2 × 7
-49 = 7 × 7 × -1
H.C.F. = 7
To convert into it’s standard form,
Divide the numerator and denominator by H.C.F.
⇒
⇒
C. Considering the rational number =
-15 = 3 × 5 × -1
35 = 5 × 7
H.C.F. = 5
To convert into it’s standard form,
Divide the numerator and denominator by H.C.F.
⇒
⇒
D. Considering the rational number =
299 = 13 × 23
161 = 7 × 23
H.C.F. = 23
To convert into standard form,
Divide the numerator and denominator by H.C.F.
⇒
⇒
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