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Add 21/60 and 4/49

21/60 + 4/49 is 423/980.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 49 is 2940
  2. For the 1st fraction, since 60 × 49 = 2940,
    21/60 = 21 × 49/60 × 49 = 1029/2940
  3. Likewise, for the 2nd fraction, since 49 × 60 = 2940,
    4/49 = 4 × 60/49 × 60 = 240/2940
  4. Add the two fractions:
    1029/2940 + 240/2940 = 1029 + 240/2940 = 1269/2940
  5. After reducing the fraction, the answer is 423/980

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