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Add 7/30 and 45/42

1st number: 7/30, 2nd number: 1 3/42

7/30 + 45/42 is 137/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    7/30 = 7 × 7/30 × 7 = 49/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    45/42 = 45 × 5/42 × 5 = 225/210
  4. Add the two like fractions:
    49/210 + 225/210 = 49 + 225/210 = 274/210
  5. 274/210 simplified gives 137/105
  6. So, 7/30 + 45/42 = 137/105
    In mixed form: 132/105

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