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Add 15/56 and 63/40

1st number: 15/56, 2nd number: 1 23/40

15/56 + 63/40 is 129/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    15/56 = 15 × 5/56 × 5 = 75/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    63/40 = 63 × 7/40 × 7 = 441/280
  4. Add the two like fractions:
    75/280 + 441/280 = 75 + 441/280 = 516/280
  5. 516/280 simplified gives 129/70
  6. So, 15/56 + 63/40 = 129/70
    In mixed form: 159/70

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