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Add 54/21 and 36/15

1st number: 2 12/21, 2nd number: 2 6/15

54/21 + 36/15 is 174/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 15 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    54/21 = 54 × 5/21 × 5 = 270/105
  3. Likewise, for the 2nd fraction, since 15 × 7 = 105,
    36/15 = 36 × 7/15 × 7 = 252/105
  4. Add the two like fractions:
    270/105 + 252/105 = 270 + 252/105 = 522/105
  5. 522/105 simplified gives 174/35
  6. So, 54/21 + 36/15 = 174/35
    In mixed form: 434/35

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