Compare 16/18 and 45/80
16/18 is greater than 45/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
16/18 = 16 × 40/18 × 40 = 640/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 640/720 > 405/720 or 16/18 > 45/80
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