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Add 15/8 and 27/40

1st number: 1 7/8, 2nd number: 27/40

15/8 + 27/40 is 51/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 40 is 40
  2. For the 1st fraction, since 8 × 5 = 40,
    15/8 = 15 × 5/8 × 5 = 75/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    27/40 = 27 × 1/40 × 1 = 27/40
  4. Add the two fractions:
    75/40 + 27/40 = 75 + 27/40 = 102/40
  5. After reducing the fraction, the answer is 51/20
  6. In mixed form: 211/20

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