Compare 28/42 and 90/84
1st number: 28/42, 2nd number: 1 6/84
28/42 is smaller than 90/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
28/42 = 28 × 2/42 × 2 = 56/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 56/84 < 90/84 or 28/42 < 90/84
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