Compare 18/4 and 90/16
1st number: 4 2/4, 2nd number: 5 10/16
18/4 is smaller than 90/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
18/4 = 18 × 4/4 × 4 = 72/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
90/16 = 90 × 1/16 × 1 = 90/16 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/16 < 90/16 or 18/4 < 90/16
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