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Add 21/60 and 20/9

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

21/60 + 20/9 is 463/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 60 × 3 = 180,
    21/60 = 21 × 3/60 × 3 = 63/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    20/9 = 20 × 20/9 × 20 = 400/180
  4. Add the two like fractions:
    63/180 + 400/180 = 63 + 400/180 = 463/180
  5. So, 21/60 + 20/9 = 463/180
    In mixed form: 2103/180

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