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Add 25/8 and 3/15

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

25/8 + 3/15 is 133/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 15 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    25/8 = 25 × 15/8 × 15 = 375/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    3/15 = 3 × 8/15 × 8 = 24/120
  4. Add the two like fractions:
    375/120 + 24/120 = 375 + 24/120 = 399/120
  5. 399/120 simplified gives 133/40
  6. So, 25/8 + 3/15 = 133/40
    In mixed form: 313/40

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