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Add 81/15 and 63/7

1st number: 5 6/15, 2nd number: 9 0/7

81/15 + 63/7 is 72/5.

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,
    81/15 = 81 × 7/15 × 7 = 567/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    63/7 = 63 × 15/7 × 15 = 945/105
  4. Add the two like fractions:
    567/105 + 945/105 = 567 + 945/105 = 1512/105
  5. 1512/105 simplified gives 72/5
  6. So, 81/15 + 63/7 = 72/5
    In mixed form: 142/5

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