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Add 30/40 and 16/70

30/40 + 16/70 is 137/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    30/40 = 30 × 7/40 × 7 = 210/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    16/70 = 16 × 4/70 × 4 = 64/280
  4. Add the two like fractions:
    210/280 + 64/280 = 210 + 64/280 = 274/280
  5. 274/280 simplified gives 137/140
  6. So, 30/40 + 16/70 = 137/140

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