Compare 3/4 and 90/81
1st number: 3/4, 2nd number: 1 9/81
3/4 is smaller than 90/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
3/4 = 3 × 81/4 × 81 = 243/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
90/81 = 90 × 4/81 × 4 = 360/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/324 < 360/324 or 3/4 < 90/81
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