Answers

Compare 18/42 and 9/70

18/42 is greater than 9/70

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
2. For the 1st fraction, since 42 × 5 = 210,
   18/42 = 18 × 5/42 × 5 = 90/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   9/70 = 9 × 3/70 × 3 = 27/210
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 90/210 > 27/210 or 18/42 > 9/70

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