Question

- 14. Write the HCF of:
a. 27 and 45 b. 56 and 72
C. 25 and 35 d. 60 and 40
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Answer 1

Hey mate ....

a. 27 and 45

27=3×3×3

45=3×3×5

=3×3=9

The HCF of 27 and 45 =9

b.56 and 72

56=2×2×2×7

72=2×2×2×3×3

>2×2×2=8

The factor of 56 and 72 is 8

C.25 and 35

25=5×5

35=5×7

>5

The factor of 25 and 35 is 5

D.60 and 40

60=2×2×3×5

40=2×2×2×5

>2×2×5

20.

The HCF of 60 and 40 is 20

Hope it's help u