Compare 20/5 and 45/20
1st number: 4 0/5, 2nd number: 2 5/20
20/5 is greater than 45/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
20/5 = 20 × 4/5 × 4 = 80/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/20 > 45/20 or 20/5 > 45/20
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