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Add 40/56 and 45/70

40/56 + 45/70 is 19/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    40/56 = 40 × 5/56 × 5 = 200/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    45/70 = 45 × 4/70 × 4 = 180/280
  4. Add the two like fractions:
    200/280 + 180/280 = 200 + 180/280 = 380/280
  5. 380/280 simplified gives 19/14
  6. So, 40/56 + 45/70 = 19/14
    In mixed form: 15/14

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