Compare 21/4 and 50/72
1st number: 5 1/4, 2nd number: 50/72
21/4 is greater than 50/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
21/4 = 21 × 18/4 × 18 = 378/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
50/72 = 50 × 1/72 × 1 = 50/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/72 > 50/72 or 21/4 > 50/72
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