Compare 7/9 and 84/90
7/9 is smaller than 84/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
7/9 = 7 × 10/9 × 10 = 70/90 - 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
- 70/90 < 84/90 or 7/9 < 84/90
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