Compare 9/30 and 21/70, Which fraction is greater?

Compare 9/30 and 21/70

9/30 is equivalent to 21/70

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
63/210 = 63/210 or 9/30 = 21/70

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