Compare 20/5 and 90/16
1st number: 4 0/5, 2nd number: 5 10/16
20/5 is smaller than 90/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
20/5 = 20 × 16/5 × 16 = 320/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
90/16 = 90 × 5/16 × 5 = 450/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 320/80 < 450/80 or 20/5 < 90/16
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