Compare 21/20 and 2/80
1st number: 1 1/20, 2nd number: 2/80
21/20 is greater than 2/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
21/20 = 21 × 4/20 × 4 = 84/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
2/80 = 2 × 1/80 × 1 = 2/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/80 > 2/80 or 21/20 > 2/80
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