Compare 63/42 and 3/90
1st number: 1 21/42, 2nd number: 3/90
63/42 is greater than 3/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
63/42 = 63 × 15/42 × 15 = 945/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 945/630 > 21/630 or 63/42 > 3/90
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