Compare 27/21 and 80/84
1st number: 1 6/21, 2nd number: 80/84
27/21 is greater than 80/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
27/21 = 27 × 4/21 × 4 = 108/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
80/84 = 80 × 1/84 × 1 = 80/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 108/84 > 80/84 or 27/21 > 80/84
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