Compare 8/80 and 70/63, Which fraction is greater?

Compare 8/80 and 70/63

1^st number: 8/80, 2^nd number: 1 7/63

8/80 is smaller than 70/63

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040

Next, find the equivalent fraction of both fractional numbers with denominator 5040
For the 1st fraction, since 80 × 63 = 5040,
8/80 = 8 × 63/80 × 63 = 504/5040
Likewise, for the 2nd fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
504/5040 < 5600/5040 or 8/80 < 70/63

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