Compare 3/28 and 15/90
3/28 is smaller than 15/90
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,
3/28 = 3 × 45/28 × 45 = 135/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
15/90 = 15 × 14/90 × 14 = 210/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/1260 < 210/1260 or 3/28 < 15/90
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