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Add 45/40 and 20/56

1st number: 1 5/40, 2nd number: 20/56

45/40 + 20/56 is 83/56.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    45/40 = 45 × 7/40 × 7 = 315/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Add the two like fractions:
    315/280 + 100/280 = 315 + 100/280 = 415/280
  5. 415/280 simplified gives 83/56
  6. So, 45/40 + 20/56 = 83/56
    In mixed form: 127/56

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