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Add 12/15 and 54/7

1st number: 12/15, 2nd number: 7 5/7

12/15 + 54/7 is 298/35.

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,
    12/15 = 12 × 7/15 × 7 = 84/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    54/7 = 54 × 15/7 × 15 = 810/105
  4. Add the two like fractions:
    84/105 + 810/105 = 84 + 810/105 = 894/105
  5. 894/105 simplified gives 298/35
  6. So, 12/15 + 54/7 = 298/35
    In mixed form: 818/35

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