Compare 90/63 and 42/30
1st number: 1 27/63, 2nd number: 1 12/30
90/63 is greater than 42/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
90/63 = 90 × 10/63 × 10 = 900/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
42/30 = 42 × 21/30 × 21 = 882/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 900/630 > 882/630 or 90/63 > 42/30
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