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Add 2/3 and 21/20

1st number: 2/3, 2nd number: 1 1/20

2/3 + 21/20 is 103/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 3 × 20 = 60,
    2/3 = 2 × 20/3 × 20 = 40/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    21/20 = 21 × 3/20 × 3 = 63/60
  4. Add the two like fractions:
    40/60 + 63/60 = 40 + 63/60 = 103/60
  5. So, 2/3 + 21/20 = 103/60
    In mixed form: 143/60

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