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Add 21/40 and 32/60

21/40 + 32/60 is 127/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 60 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    21/40 = 21 × 3/40 × 3 = 63/120
  3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
    32/60 = 32 × 2/60 × 2 = 64/120
  4. Add the two fractions:
    63/120 + 64/120 = 63 + 64/120 = 127/120
  5. So, 21/40 + 32/60 = 127/120
    In mixed form: 17/120

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