Compare 9/30 and 81/63
1st number: 9/30, 2nd number: 1 18/63
9/30 is smaller than 81/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
9/30 = 9 × 21/30 × 21 = 189/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
81/63 = 81 × 10/63 × 10 = 810/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/630 < 810/630 or 9/30 < 81/63
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