Compare 12/90 and 15/63
12/90 is smaller than 15/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
15/63 = 15 × 10/63 × 10 = 150/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/630 < 150/630 or 12/90 < 15/63
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