Answers

Compare 7/20 and 8/9

7/20 is smaller than 8/9

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 9 is 180
2. For the 1st fraction, since 20 × 9 = 180,
   7/20 = 7 × 9/20 × 9 = 63/180
3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
   8/9 = 8 × 20/9 × 20 = 160/180
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 63/180 < 160/180 or 7/20 < 8/9

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