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Add 20/12 and 21/60

1st number: 1 8/12, 2nd number: 21/60

20/12 + 21/60 is 121/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 60 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    20/12 = 20 × 5/12 × 5 = 100/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two fractions:
    100/60 + 21/60 = 100 + 21/60 = 121/60
  5. So, 20/12 + 21/60 = 121/60
    In mixed form: 21/60

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