Compare 21/2 and 42/6
1st number: 10 1/2, 2nd number: 7 0/6
21/2 is greater than 42/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
21/2 = 21 × 3/2 × 3 = 63/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
42/6 = 42 × 1/6 × 1 = 42/6 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/6 > 42/6 or 21/2 > 42/6
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