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Add 27/15 and 21/49

1st number: 1 12/15, 2nd number: 21/49

27/15 + 21/49 is 78/35.

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,
    27/15 = 27 × 49/15 × 49 = 1323/735
  3. Likewise, for the 2nd fraction, since 49 × 15 = 735,
    21/49 = 21 × 15/49 × 15 = 315/735
  4. Add the two fractions:
    1323/735 + 315/735 = 1323 + 315/735 = 1638/735
  5. 1638/735 simplified gives 78/35
  6. So, 27/15 + 21/49 = 78/35
    In mixed form: 28/35

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