Compare 30/80 and 7/10, Which fraction is greater?

Compare 30/80 and 7/10

30/80 is smaller than 7/10

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80
Likewise, for the 2nd fraction, since 10 × 8 = 80,
7/10 = 7 × 8/10 × 8 = 56/80
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
30/80 < 56/80 or 30/80 < 7/10

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