Compare 70/80 and 15/9, Which fraction is greater?

Compare 70/80 and 15/9

1^st number: 70/80, 2^nd number: 1 6/9

70/80 is smaller than 15/9

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
70/80 = 70 × 9/80 × 9 = 630/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
15/9 = 15 × 80/9 × 80 = 1200/720
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
630/720 < 1200/720 or 70/80 < 15/9

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