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Add 12/40 and 10/9

1st number: 12/40, 2nd number: 1 1/9

12/40 + 10/9 is 127/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 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 9 × 40 = 360,
    10/9 = 10 × 40/9 × 40 = 400/360
  4. Add the two fractions:
    108/360 + 400/360 = 108 + 400/360 = 508/360
  5. 508/360 simplified gives 127/90
  6. So, 12/40 + 10/9 = 127/90
    In mixed form: 137/90

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