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Add 27/15 and 21/7

1st number: 1 12/15, 2nd number: 3 0/7

27/15 + 21/7 is 24/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    27/15 = 27 × 7/15 × 7 = 189/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    21/7 = 21 × 15/7 × 15 = 315/105
  4. Add the two like fractions:
    189/105 + 315/105 = 189 + 315/105 = 504/105
  5. 504/105 simplified gives 24/5
  6. So, 27/15 + 21/7 = 24/5
    In mixed form: 44/5

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