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Add 45/70 and 14/40

45/70 + 14/40 is 139/140.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    45/70 = 45 × 4/70 × 4 = 180/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    14/40 = 14 × 7/40 × 7 = 98/280
  4. Add the two like fractions:
    180/280 + 98/280 = 180 + 98/280 = 278/280
  5. 278/280 simplified gives 139/140
  6. So, 45/70 + 14/40 = 139/140

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