Compare 4/21 and 5/4
1st number: 4/21, 2nd number: 1 1/4
421 is smaller than 54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
421 = 4 × 421 × 4 = 1684 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
54 = 5 × 214 × 21 = 10584 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1684 < 10584 or 421 < 54
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