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Add 80/72 and 12/45

1st number: 1 8/72, 2nd number: 12/45

80/72 + 12/45 is 62/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 45 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    80/72 = 80 × 5/72 × 5 = 400/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    12/45 = 12 × 8/45 × 8 = 96/360
  4. Add the two fractions:
    400/360 + 96/360 = 400 + 96/360 = 496/360
  5. After reducing the fraction, the answer is 62/45
  6. In mixed form: 117/45

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