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Add 20/25 and 9/10

20/25 + 9/10 is 17/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 10 is 50

    Next, find the equivalent fraction of both fractional numbers with denominator 50
  2. For the 1st fraction, since 25 × 2 = 50,
    20/25 = 20 × 2/25 × 2 = 40/50
  3. Likewise, for the 2nd fraction, since 10 × 5 = 50,
    9/10 = 9 × 5/10 × 5 = 45/50
  4. Add the two like fractions:
    40/50 + 45/50 = 40 + 45/50 = 85/50
  5. 85/50 simplified gives 17/10
  6. So, 20/25 + 9/10 = 17/10
    In mixed form: 17/10

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