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Add 42/49 and 9/30

42/49 + 9/30 is 81/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 30 is 1470
  2. For the 1st fraction, since 49 × 30 = 1470,
    42/49 = 42 × 30/49 × 30 = 1260/1470
  3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
    9/30 = 9 × 49/30 × 49 = 441/1470
  4. Add the two fractions:
    1260/1470 + 441/1470 = 1260 + 441/1470 = 1701/1470
  5. 1701/1470 simplified gives 81/70
  6. So, 42/49 + 9/30 = 81/70
    In mixed form: 111/70

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