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Add 14/20 and 40/70

14/20 + 40/70 is 89/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    14/20 = 14 × 7/20 × 7 = 98/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    40/70 = 40 × 2/70 × 2 = 80/140
  4. Add the two like fractions:
    98/140 + 80/140 = 98 + 80/140 = 178/140
  5. 178/140 simplified gives 89/70
  6. So, 14/20 + 40/70 = 89/70
    In mixed form: 119/70

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