Compare 15/81 and 30/35
15/81 is smaller than 30/35
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
15/81 = 15 × 35/81 × 35 = 525/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
30/35 = 30 × 81/35 × 81 = 2430/2835 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/2835 < 2430/2835 or 15/81 < 30/35
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