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Subtract 21/40 from 7/3

1st number: 2 1/3, 2nd number: 21/40

7/3 - 21/40 is 217/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 40 is 120
  2. For the 1st fraction, since 3 × 40 = 120,
    7/3 = 7 × 40/3 × 40 = 280/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    21/40 = 21 × 3/40 × 3 = 63/120
  4. Subtract the two fractions:
    280/120 - 63/120 = 280 - 63/120 = 217/120
  5. In mixed form: 197/120

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