Compare 1/5 and 21/9
1st number: 1/5, 2nd number: 2 3/9
15 is smaller than 219
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
15 = 1 × 95 × 9 = 945 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
219 = 21 × 59 × 5 = 10545 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 945 < 10545 or 15 < 219
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