Compare 7/28 and 27/90
7/28 is smaller than 27/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
7/28 = 7 × 45/28 × 45 = 315/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
27/90 = 27 × 14/90 × 14 = 378/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/1260 < 378/1260 or 7/28 < 27/90
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