Compare 81/4 and 3/90
1st number: 20 1/4, 2nd number: 3/90
81/4 is greater than 3/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
81/4 = 81 × 45/4 × 45 = 3645/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3645/180 > 6/180 or 81/4 > 3/90
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