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Subtract 24/70 from 30/20

1st number: 1 10/20, 2nd number: 24/70

30/20 - 24/70 is 81/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    30/20 = 30 × 7/20 × 7 = 210/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    24/70 = 24 × 2/70 × 2 = 48/140
  4. Subtract the two fractions:
    210/140 - 48/140 = 210 - 48/140 = 162/140
  5. After reducing the fraction, the answer is 81/70
  6. In mixed form: 111/70

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