Compare 45/63 and 18/12
1st number: 45/63, 2nd number: 1 6/12
45/63 is smaller than 18/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
18/12 = 18 × 21/12 × 21 = 378/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/252 < 378/252 or 45/63 < 18/12
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