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Add 30/70 and 40/56

30/70 + 40/56 is 8/7.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    30/70 = 30 × 4/70 × 4 = 120/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    40/56 = 40 × 5/56 × 5 = 200/280
  4. Add the two like fractions:
    120/280 + 200/280 = 120 + 200/280 = 320/280
  5. 320/280 simplified gives 8/7
  6. So, 30/70 + 40/56 = 8/7
    In mixed form: 11/7

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