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Add 9/15 and 21/49

9/15 + 21/49 is 36/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 49 is 735
  2. For the 1st fraction, since 15 × 49 = 735,
    9/15 = 9 × 49/15 × 49 = 441/735
  3. Likewise, for the 2nd fraction, since 49 × 15 = 735,
    21/49 = 21 × 15/49 × 15 = 315/735
  4. Add the two fractions:
    441/735 + 315/735 = 441 + 315/735 = 756/735
  5. 756/735 simplified gives 36/35
  6. So, 9/15 + 21/49 = 36/35
    In mixed form: 11/35

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