Compare 21/12 and 75/5
1st number: 1 9/12, 2nd number: 15 0/5
21/12 is smaller than 75/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
21/12 = 21 × 5/12 × 5 = 105/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
75/5 = 75 × 12/5 × 12 = 900/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/60 < 900/60 or 21/12 < 75/5
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