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Add 40/15 and 28/7

1st number: 2 10/15, 2nd number: 4 0/7

40/15 + 28/7 is 20/3.

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,
    40/15 = 40 × 7/15 × 7 = 280/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    28/7 = 28 × 15/7 × 15 = 420/105
  4. Add the two like fractions:
    280/105 + 420/105 = 280 + 420/105 = 700/105
  5. 700/105 simplified gives 20/3
  6. So, 40/15 + 28/7 = 20/3
    In mixed form: 62/3

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