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Compare 10/21 and 42/16

1st number: 10/21, 2nd number: 2 10/16

10/21 is smaller than 42/16

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 16 is 336
  2. For the 1st fraction, since 21 × 16 = 336,
    10/21 = 10 × 16/21 × 16 = 160/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    42/16 = 42 × 21/16 × 21 = 882/336
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 160/336 < 882/336 or 10/21 < 42/16

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