Compare 20/8 and 90/84
1st number: 2 4/8, 2nd number: 1 6/84
20/8 is greater than 90/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
20/8 = 20 × 21/8 × 21 = 420/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
90/84 = 90 × 2/84 × 2 = 180/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/168 > 180/168 or 20/8 > 90/84
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