Compare 20/7 and 15/90, Which fraction is greater?

Compare 20/7 and 15/90

1^st number: 2 6/7, 2^nd number: 15/90

20/7 is greater than 15/90

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 7 × 90 = 630,
20/7 = 20 × 90/7 × 90 = 1800/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1800/630 > 105/630 or 20/7 > 15/90

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