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Add 90/15 and 27/40

1st number: 6 0/15, 2nd number: 27/40

90/15 + 27/40 is 267/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    90/15 = 90 × 8/15 × 8 = 720/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    27/40 = 27 × 3/40 × 3 = 81/120
  4. Add the two like fractions:
    720/120 + 81/120 = 720 + 81/120 = 801/120
  5. 801/120 simplified gives 267/40
  6. So, 90/15 + 27/40 = 267/40
    In mixed form: 627/40

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