Compare 45/10 and 21/3
1st number: 4 5/10, 2nd number: 7 0/3
45/10 is smaller than 21/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
45/10 = 45 × 3/10 × 3 = 135/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
21/3 = 21 × 10/3 × 10 = 210/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/30 < 210/30 or 45/10 < 21/3
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