Compare 45/30 and 27/20
1st number: 1 15/30, 2nd number: 1 7/20
45/30 is greater than 27/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/60 > 81/60 or 45/30 > 27/20
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