Answers

Compare 40/12 and 20/90

1^st number: 3 4/12, 2^nd number: 20/90

40/12 is greater than 20/90

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 90 is 180
2. For the 1st fraction, since 12 × 15 = 180,
   40/12 = 40 × 15/12 × 15 = 600/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   20/90 = 20 × 2/90 × 2 = 40/180
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 600/180 > 40/180 or 40/12 > 20/90

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