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Add 90/12 and 60/80

1st number: 7 6/12, 2nd number: 60/80

90/12 + 60/80 is 33/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240
  2. For the 1st fraction, since 12 × 20 = 240,
    90/12 = 90 × 20/12 × 20 = 1800/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    60/80 = 60 × 3/80 × 3 = 180/240
  4. Add the two fractions:
    1800/240 + 180/240 = 1800 + 180/240 = 1980/240
  5. 1980/240 simplified gives 33/4
  6. So, 90/12 + 60/80 = 33/4
    In mixed form: 81/4

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