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Add 30/2 and 90/80

1st number: 15 0/2, 2nd number: 1 10/80

30/2 + 90/80 is 129/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 80 is 80
  2. For the 1st fraction, since 2 × 40 = 80,
    30/2 = 30 × 40/2 × 40 = 1200/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    90/80 = 90 × 1/80 × 1 = 90/80
  4. Add the two fractions:
    1200/80 + 90/80 = 1200 + 90/80 = 1290/80
  5. After reducing the fraction, the answer is 129/8
  6. In mixed form: 161/8

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