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Add 80/45 and 10/20

1st number: 1 35/45, 2nd number: 10/20

80/45 + 10/20 is 41/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    80/45 = 80 × 4/45 × 4 = 320/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    10/20 = 10 × 9/20 × 9 = 90/180
  4. Add the two like fractions:
    320/180 + 90/180 = 320 + 90/180 = 410/180
  5. 410/180 simplified gives 41/18
  6. So, 80/45 + 10/20 = 41/18
    In mixed form: 25/18

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