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Add 20/8 and 25/18

1st number: 2 4/8, 2nd number: 1 7/18

20/8 + 25/18 is 35/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72
  2. For the 1st fraction, since 8 × 9 = 72,
    20/8 = 20 × 9/8 × 9 = 180/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    25/18 = 25 × 4/18 × 4 = 100/72
  4. Add the two fractions:
    180/72 + 100/72 = 180 + 100/72 = 280/72
  5. 280/72 simplified gives 35/9
  6. So, 20/8 + 25/18 = 35/9
    In mixed form: 38/9

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