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Add 1/21 and 56/60

1/21 + 56/60 is 103/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 60 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    1/21 = 1 × 20/21 × 20 = 20/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    56/60 = 56 × 7/60 × 7 = 392/420
  4. Add the two fractions:
    20/420 + 392/420 = 20 + 392/420 = 412/420
  5. After reducing the fraction, the answer is 103/105

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