Compare 15/20 and 80/50
1st number: 15/20, 2nd number: 1 30/50
15/20 is smaller than 80/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
15/20 = 15 × 5/20 × 5 = 75/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
80/50 = 80 × 2/50 × 2 = 160/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/100 < 160/100 or 15/20 < 80/50
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