Question

9:12 and 21:28

what is answers
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Answer 1

Answer:

Find the least common denominator or LCM of the two denominators:

LCM of 12 and 28 is 84

For the 1st fraction, since 12 × 7 = 84,

9

12

=

9 × 7

12 × 7

=

63

84

Likewise, for the 2nd fraction, since 28 × 3 = 84,

21

28

=

21 × 3

28 × 3

=

63

84

Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction

63

84

=

63

84

or

9

12

=

21

28