Compare 20/18 and 70/12
1st number: 1 2/18, 2nd number: 5 10/12
20/18 is smaller than 70/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
70/12 = 70 × 3/12 × 3 = 210/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/36 < 210/36 or 20/18 < 70/12
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