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Add 1/15 and 90/80

1st number: 1/15, 2nd number: 1 10/80

1/15 + 90/80 is 143/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 15 × 16 = 240,
    1/15 = 1 × 16/15 × 16 = 16/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    90/80 = 90 × 3/80 × 3 = 270/240
  4. Add the two like fractions:
    16/240 + 270/240 = 16 + 270/240 = 286/240
  5. 286/240 simplified gives 143/120
  6. So, 1/15 + 90/80 = 143/120
    In mixed form: 123/120

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