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Add 30/45 and 42/63

30/45 + 42/63 is 4/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    30/45 = 30 × 7/45 × 7 = 210/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    42/63 = 42 × 5/63 × 5 = 210/315
  4. Add the two like fractions:
    210/315 + 210/315 = 210 + 210/315 = 420/315
  5. 420/315 simplified gives 4/3
  6. So, 30/45 + 42/63 = 4/3
    In mixed form: 11/3

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