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Add 80/40 and 6/90

1st number: 2 0/40, 2nd number: 6/90

80/40 + 6/90 is 31/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    80/40 = 80 × 9/40 × 9 = 720/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    6/90 = 6 × 4/90 × 4 = 24/360
  4. Add the two fractions:
    720/360 + 24/360 = 720 + 24/360 = 744/360
  5. After reducing the fraction, the answer is 31/15
  6. In mixed form: 21/15

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