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Add 21/40 and 10/16

21/40 + 10/16 is 23/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 40 × 2 = 80,
    21/40 = 21 × 2/40 × 2 = 42/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    10/16 = 10 × 5/16 × 5 = 50/80
  4. Add the two like fractions:
    42/80 + 50/80 = 42 + 50/80 = 92/80
  5. 92/80 simplified gives 23/20
  6. So, 21/40 + 10/16 = 23/20
    In mixed form: 13/20

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