Answers

Compare 8/21 and 90/60

1^st number: 8/21, 2^nd number: 1 30/60

8/21 is smaller than 90/60

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 60 is 420
2. For the 1st fraction, since 21 × 20 = 420,
   8/21 = 8 × 20/21 × 20 = 160/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   90/60 = 90 × 7/60 × 7 = 630/420
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 160/420 < 630/420 or 8/21 < 90/60

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