Compare 90/63 and 21/5
1st number: 1 27/63, 2nd number: 4 1/5
90/63 is smaller than 21/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
21/5 = 21 × 63/5 × 63 = 1323/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/315 < 1323/315 or 90/63 < 21/5
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