Compare 21/18 and 70/54
1st number: 1 3/18, 2nd number: 1 16/54
21/18 is smaller than 70/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
21/18 = 21 × 3/18 × 3 = 63/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
70/54 = 70 × 1/54 × 1 = 70/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/54 < 70/54 or 21/18 < 70/54
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