Compare 81/4 and 15/5
1st number: 20 1/4, 2nd number: 3 0/5
81/4 is greater than 15/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
81/4 = 81 × 5/4 × 5 = 405/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
15/5 = 15 × 4/5 × 4 = 60/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/20 > 60/20 or 81/4 > 15/5
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