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Add 40/28 and 30/18

1st number: 1 12/28, 2nd number: 1 12/18

40/28 + 30/18 is 65/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252
  2. For the 1st fraction, since 28 × 9 = 252,
    40/28 = 40 × 9/28 × 9 = 360/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    30/18 = 30 × 14/18 × 14 = 420/252
  4. Add the two fractions:
    360/252 + 420/252 = 360 + 420/252 = 780/252
  5. After reducing the fraction, the answer is 65/21
  6. In mixed form: 32/21

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