Compare 75/15 and 21/36
1st number: 5 0/15, 2nd number: 21/36
75/15 is greater than 21/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
75/15 = 75 × 12/15 × 12 = 900/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 900/180 > 105/180 or 75/15 > 21/36
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