Compare 28/50 and 12/21
28/50 is smaller than 12/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
28/50 = 28 × 21/50 × 21 = 588/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
12/21 = 12 × 50/21 × 50 = 600/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 588/1050 < 600/1050 or 28/50 < 12/21
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