Compare 21/3 and 9/72
1st number: 7 0/3, 2nd number: 9/72
21/3 is greater than 9/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
21/3 = 21 × 24/3 × 24 = 504/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 504/72 > 9/72 or 21/3 > 9/72
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