Compare 36/18 and 21/10
1st number: 2 0/18, 2nd number: 2 1/10
36/18 is smaller than 21/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
36/18 = 36 × 5/18 × 5 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
21/10 = 21 × 9/10 × 9 = 189/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/90 < 189/90 or 36/18 < 21/10
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