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Add 18/12 and 90/35

1st number: 1 6/12, 2nd number: 2 20/35

18/12 + 90/35 is 57/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 35 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 12 × 35 = 420,
    18/12 = 18 × 35/12 × 35 = 630/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    90/35 = 90 × 12/35 × 12 = 1080/420
  4. Add the two like fractions:
    630/420 + 1080/420 = 630 + 1080/420 = 1710/420
  5. 1710/420 simplified gives 57/14
  6. So, 18/12 + 90/35 = 57/14
    In mixed form: 41/14

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