Answers

Compare 12/42 and 6/40

12/42 is greater than 6/40

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
2. For the 1st fraction, since 42 × 20 = 840,
   12/42 = 12 × 20/42 × 20 = 240/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   6/40 = 6 × 21/40 × 21 = 126/840
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 240/840 > 126/840 or 12/42 > 6/40

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