Compare 18/4 and 63/21
1st number: 4 2/4, 2nd number: 3 0/21
18/4 is greater than 63/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
18/4 = 18 × 21/4 × 21 = 378/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
63/21 = 63 × 4/21 × 4 = 252/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/84 > 252/84 or 18/4 > 63/21
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