Compare 18/36 and 81/7
1st number: 18/36, 2nd number: 11 4/7
18/36 is smaller than 81/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
81/7 = 81 × 36/7 × 36 = 2916/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/252 < 2916/252 or 18/36 < 81/7
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