Compare 81/4 and 75/80
1st number: 20 1/4, 2nd number: 75/80
81/4 is greater than 75/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
81/4 = 81 × 20/4 × 20 = 1620/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
75/80 = 75 × 1/80 × 1 = 75/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1620/80 > 75/80 or 81/4 > 75/80
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