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Add 36/20 and 21/40

1st number: 1 16/20, 2nd number: 21/40

36/20 + 21/40 is 93/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40
  2. For the 1st fraction, since 20 × 2 = 40,
    36/20 = 36 × 2/20 × 2 = 72/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    21/40 = 21 × 1/40 × 1 = 21/40
  4. Add the two fractions:
    72/40 + 21/40 = 72 + 21/40 = 93/40
  5. In mixed form: 213/40

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