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Add 2/4 and 21/40

2/4 + 21/40 is 41/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 40 is 40
  2. For the 1st fraction, since 4 × 10 = 40,
    2/4 = 2 × 10/4 × 10 = 20/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    21/40 = 21 × 1/40 × 1 = 21/40
  4. Add the two fractions:
    20/40 + 21/40 = 20 + 21/40 = 41/40
  5. In mixed form: 11/40

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