Compare 63/4 and 21/5
1st number: 15 3/4, 2nd number: 4 1/5
63/4 is greater than 21/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
21/5 = 21 × 4/5 × 4 = 84/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/20 > 84/20 or 63/4 > 21/5
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