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Add 10/20 and 40/25

1st number: 10/20, 2nd number: 1 15/25

10/20 + 40/25 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    10/20 = 10 × 5/20 × 5 = 50/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    40/25 = 40 × 4/25 × 4 = 160/100
  4. Add the two like fractions:
    50/100 + 160/100 = 50 + 160/100 = 210/100
  5. 210/100 simplified gives 21/10
  6. So, 10/20 + 40/25 = 21/10
    In mixed form: 21/10

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