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Add 20/45 and 40/15

1st number: 20/45, 2nd number: 2 10/15

20/45 + 40/15 is 28/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 15 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    20/45 = 20 × 1/45 × 1 = 20/45
  3. Likewise, for the 2nd fraction, since 15 × 3 = 45,
    40/15 = 40 × 3/15 × 3 = 120/45
  4. Add the two fractions:
    20/45 + 120/45 = 20 + 120/45 = 140/45
  5. 140/45 simplified gives 28/9
  6. So, 20/45 + 40/15 = 28/9
    In mixed form: 31/9

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