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Add 1/5 and 21/16

1st number: 1/5, 2nd number: 1 5/16

1/5 + 21/16 is 121/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 16 is 80
  2. For the 1st fraction, since 5 × 16 = 80,
    1/5 = 1 × 16/5 × 16 = 16/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    21/16 = 21 × 5/16 × 5 = 105/80
  4. Add the two fractions:
    16/80 + 105/80 = 16 + 105/80 = 121/80
  5. So, 1/5 + 21/16 = 121/80
    In mixed form: 141/80

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