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Add 12/40 and 28/18

1st number: 12/40, 2nd number: 1 10/18

12/40 + 28/18 is 167/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    12/40 = 12 × 9/40 × 9 = 108/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    28/18 = 28 × 20/18 × 20 = 560/360
  4. Add the two fractions:
    108/360 + 560/360 = 108 + 560/360 = 668/360
  5. 668/360 simplified gives 167/90
  6. So, 12/40 + 28/18 = 167/90
    In mixed form: 177/90

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