Compare 3/28 and 12/81
3/28 is smaller than 12/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
3/28 = 3 × 81/28 × 81 = 243/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
12/81 = 12 × 28/81 × 28 = 336/2268 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/2268 < 336/2268 or 3/28 < 12/81
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