Compare 42/2 and 12/40
1st number: 21 0/2, 2nd number: 12/40
42/2 is greater than 12/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
42/2 = 42 × 20/2 × 20 = 840/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/40 > 12/40 or 42/2 > 12/40
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