Compare 21/12 and 72/75
1st number: 1 9/12, 2nd number: 72/75
21/12 is greater than 72/75
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
72/75 = 72 × 4/75 × 4 = 288/300 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/300 > 288/300 or 21/12 > 72/75
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