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Add 14/40 and 42/70

14/40 + 42/70 is 19/20.

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,
    14/40 = 14 × 7/40 × 7 = 98/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    42/70 = 42 × 4/70 × 4 = 168/280
  4. Add the two like fractions:
    98/280 + 168/280 = 98 + 168/280 = 266/280
  5. 266/280 simplified gives 19/20
  6. So, 14/40 + 42/70 = 19/20

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