Compare 45/30 and 18/12
1st number: 1 15/30, 2nd number: 1 6/12
45/30 is equivalent to 18/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 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 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/60 = 90/60 or 45/30 = 18/12
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