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Compare 21/70 and 10/72

21/70 is greater than 10/72

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 72 is 2520
  2. For the 1st fraction, since 70 × 36 = 2520,
    21/70 = 21 × 36/70 × 36 = 756/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    10/72 = 10 × 35/72 × 35 = 350/2520
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 756/2520 > 350/2520 or 21/70 > 10/72

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