Compare 54/21 and 6/90
1st number: 2 12/21, 2nd number: 6/90
54/21 is greater than 6/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 21 × 30 = 630,
54/21 = 54 × 30/21 × 30 = 1620/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
6/90 = 6 × 7/90 × 7 = 42/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1620/630 > 42/630 or 54/21 > 6/90
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