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Add 40/15 and 18/14

1st number: 2 10/15, 2nd number: 1 4/14

40/15 + 18/14 is 83/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 14 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    40/15 = 40 × 14/15 × 14 = 560/210
  3. Likewise, for the 2nd fraction, since 14 × 15 = 210,
    18/14 = 18 × 15/14 × 15 = 270/210
  4. Add the two like fractions:
    560/210 + 270/210 = 560 + 270/210 = 830/210
  5. 830/210 simplified gives 83/21
  6. So, 40/15 + 18/14 = 83/21
    In mixed form: 320/21

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