Compare 21/2 and 63/18
1st number: 10 1/2, 2nd number: 3 9/18
21/2 is greater than 63/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
21/2 = 21 × 9/2 × 9 = 189/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
63/18 = 63 × 1/18 × 1 = 63/18 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/18 > 63/18 or 21/2 > 63/18
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