Compare 18/90 and 16/56
18/90 is smaller than 16/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
18/90 = 18 × 28/90 × 28 = 504/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
16/56 = 16 × 45/56 × 45 = 720/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 504/2520 < 720/2520 or 18/90 < 16/56
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