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Compare 21/15 and 8/10

1st number: 1 6/15, 2nd number: 8/10

21/15 is greater than 8/10

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 10 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    21/15 = 21 × 2/15 × 2 = 42/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    8/10 = 8 × 3/10 × 3 = 24/30
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 42/30 > 24/30 or 21/15 > 8/10

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