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Add 40/50 and 21/48

40/50 + 21/48 is 99/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 48 is 1200
  2. For the 1st fraction, since 50 × 24 = 1200,
    40/50 = 40 × 24/50 × 24 = 960/1200
  3. Likewise, for the 2nd fraction, since 48 × 25 = 1200,
    21/48 = 21 × 25/48 × 25 = 525/1200
  4. Add the two fractions:
    960/1200 + 525/1200 = 960 + 525/1200 = 1485/1200
  5. After reducing the fraction, the answer is 99/80
  6. In mixed form: 119/80

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