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Compare 2/20 and 21/15

1st number: 2/20, 2nd number: 1 6/15

2/20 is smaller than 21/15

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 15 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    2/20 = 2 × 3/20 × 3 = 6/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    21/15 = 21 × 4/15 × 4 = 84/60
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 6/60 < 84/60 or 2/20 < 21/15

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