Compare 21/10 and 21/9
1st number: 2 1/10, 2nd number: 2 3/9
2110 is smaller than 219
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
2110 = 21 × 910 × 9 = 18990 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
219 = 21 × 109 × 10 = 21090 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18990 < 21090 or 2110 < 219
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