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Add 30/40 and 28/63

30/40 + 28/63 is 43/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    30/40 = 30 × 63/40 × 63 = 1890/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    28/63 = 28 × 40/63 × 40 = 1120/2520
  4. Add the two like fractions:
    1890/2520 + 1120/2520 = 1890 + 1120/2520 = 3010/2520
  5. 3010/2520 simplified gives 43/36
  6. So, 30/40 + 28/63 = 43/36
    In mixed form: 17/36

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