Compare 84/20 and 40/81
1st number: 4 4/20, 2nd number: 40/81
84/20 is greater than 40/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
84/20 = 84 × 81/20 × 81 = 6804/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
40/81 = 40 × 20/81 × 20 = 800/1620 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 6804/1620 > 800/1620 or 84/20 > 40/81
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