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Add 45/30 and 9/42

1st number: 1 15/30, 2nd number: 9/42

45/30 + 9/42 is 12/7.

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,
    45/30 = 45 × 7/30 × 7 = 315/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    9/42 = 9 × 5/42 × 5 = 45/210
  4. Add the two like fractions:
    315/210 + 45/210 = 315 + 45/210 = 360/210
  5. 360/210 simplified gives 12/7
  6. So, 45/30 + 9/42 = 12/7
    In mixed form: 15/7

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