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Add 20/15 and 3/4

1st number: 1 5/15, 2nd number: 3/4

20/15 + 3/4 is 25/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 4 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    20/15 = 20 × 4/15 × 4 = 80/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    3/4 = 3 × 15/4 × 15 = 45/60
  4. Add the two like fractions:
    80/60 + 45/60 = 80 + 45/60 = 125/60
  5. 125/60 simplified gives 25/12
  6. So, 20/15 + 3/4 = 25/12
    In mixed form: 21/12

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