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Add 7/5 and 12/18

1st number: 1 2/5, 2nd number: 12/18

7/5 + 12/18 is 31/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    7/5 = 7 × 18/5 × 18 = 126/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    12/18 = 12 × 5/18 × 5 = 60/90
  4. Add the two like fractions:
    126/90 + 60/90 = 126 + 60/90 = 186/90
  5. 186/90 simplified gives 31/15
  6. So, 7/5 + 12/18 = 31/15
    In mixed form: 21/15

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