Compare 84/21 and 54/20
1st number: 4 0/21, 2nd number: 2 14/20
84/21 is greater than 54/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
84/21 = 84 × 20/21 × 20 = 1680/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
54/20 = 54 × 21/20 × 21 = 1134/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1680/420 > 1134/420 or 84/21 > 54/20
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