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Add 20/15 and 12/45

1st number: 1 5/15, 2nd number: 12/45

20/15 + 12/45 is 8/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 45 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    20/15 = 20 × 3/15 × 3 = 60/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    12/45 = 12 × 1/45 × 1 = 12/45
  4. Add the two fractions:
    60/45 + 12/45 = 60 + 12/45 = 72/45
  5. 72/45 simplified gives 8/5
  6. So, 20/15 + 12/45 = 8/5
    In mixed form: 13/5

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