Compare 28/20 and 75/42
1st number: 1 8/20, 2nd number: 1 33/42
28/20 is smaller than 75/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
28/20 = 28 × 21/20 × 21 = 588/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
75/42 = 75 × 10/42 × 10 = 750/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 588/420 < 750/420 or 28/20 < 75/42
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