Compare 9/10 and 84/90
9/10 is smaller than 84/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/90 < 84/90 or 9/10 < 84/90
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