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Add 1/15 and 72/20

1st number: 1/15, 2nd number: 3 12/20

1/15 + 72/20 is 11/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    1/15 = 1 × 4/15 × 4 = 4/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    72/20 = 72 × 3/20 × 3 = 216/60
  4. Add the two like fractions:
    4/60 + 216/60 = 4 + 216/60 = 220/60
  5. 220/60 simplified gives 11/3
  6. So, 1/15 + 72/20 = 11/3
    In mixed form: 32/3

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