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Add 10/9 and 21/60

1st number: 1 1/9, 2nd number: 21/60

10/9 + 21/60 is 263/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 60 is 180
  2. For the 1st fraction, since 9 × 20 = 180,
    10/9 = 10 × 20/9 × 20 = 200/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    21/60 = 21 × 3/60 × 3 = 63/180
  4. Add the two fractions:
    200/180 + 63/180 = 200 + 63/180 = 263/180
  5. In mixed form: 183/180

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