Compare 21/6 and 84/4
1st number: 3 3/6, 2nd number: 21 0/4
21/6 is smaller than 84/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
21/6 = 21 × 2/6 × 2 = 42/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
84/4 = 84 × 3/4 × 3 = 252/12 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 42/12 < 252/12 or 21/6 < 84/4
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