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Add 90/12 and 20/16

1st number: 7 6/12, 2nd number: 1 4/16

90/12 + 20/16 is 35/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 16 is 48
  2. For the 1st fraction, since 12 × 4 = 48,
    90/12 = 90 × 4/12 × 4 = 360/48
  3. Likewise, for the 2nd fraction, since 16 × 3 = 48,
    20/16 = 20 × 3/16 × 3 = 60/48
  4. Add the two fractions:
    360/48 + 60/48 = 360 + 60/48 = 420/48
  5. 420/48 simplified gives 35/4
  6. So, 90/12 + 20/16 = 35/4
    In mixed form: 83/4

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