Compare 70/81 and 18/48
70/81 is greater than 18/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 48 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
70/81 = 70 × 16/81 × 16 = 1120/1296 - Likewise, for the 2nd fraction, since 48 × 27 = 1296,
18/48 = 18 × 27/48 × 27 = 486/1296 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1120/1296 > 486/1296 or 70/81 > 18/48
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