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Add 14/40 and 21/30

14/40 + 21/30 is 21/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    14/40 = 14 × 3/40 × 3 = 42/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    21/30 = 21 × 4/30 × 4 = 84/120
  4. Add the two like fractions:
    42/120 + 84/120 = 42 + 84/120 = 126/120
  5. 126/120 simplified gives 21/20
  6. So, 14/40 + 21/30 = 21/20
    In mixed form: 11/20

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