Compare 5/75 and 20/80
5/75 is smaller than 20/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
5/75 = 5 × 16/75 × 16 = 80/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
20/80 = 20 × 15/80 × 15 = 300/1200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/1200 < 300/1200 or 5/75 < 20/80
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