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Add 63/40 and 15/28

1st number: 1 23/40, 2nd number: 15/28

63/40 + 15/28 is 591/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    63/40 = 63 × 7/40 × 7 = 441/280
  3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
    15/28 = 15 × 10/28 × 10 = 150/280
  4. Add the two like fractions:
    441/280 + 150/280 = 441 + 150/280 = 591/280
  5. So, 63/40 + 15/28 = 591/280
    In mixed form: 231/280

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