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Add 1/60 and 60/63

1/60 + 60/63 is 407/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 63 is 1260
  2. For the 1st fraction, since 60 × 21 = 1260,
    1/60 = 1 × 21/60 × 21 = 21/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    60/63 = 60 × 20/63 × 20 = 1200/1260
  4. Add the two fractions:
    21/1260 + 1200/1260 = 21 + 1200/1260 = 1221/1260
  5. After reducing the fraction, the answer is 407/420

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