Compare 81/20 and 45/48
1st number: 4 1/20, 2nd number: 45/48
81/20 is greater than 45/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
81/20 = 81 × 12/20 × 12 = 972/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
45/48 = 45 × 5/48 × 5 = 225/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 972/240 > 225/240 or 81/20 > 45/48
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