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Add 15/20 and 25/8

1st number: 15/20, 2nd number: 3 1/8

15/20 + 25/8 is 31/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 8 is 40
  2. For the 1st fraction, since 20 × 2 = 40,
    15/20 = 15 × 2/20 × 2 = 30/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    25/8 = 25 × 5/8 × 5 = 125/40
  4. Add the two fractions:
    30/40 + 125/40 = 30 + 125/40 = 155/40
  5. After reducing the fraction, the answer is 31/8
  6. In mixed form: 37/8

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