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Add 25/20 and 40/10

1st number: 1 5/20, 2nd number: 4 0/10

25/20 + 40/10 is 21/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 10 is 20
  2. For the 1st fraction, since 20 × 1 = 20,
    25/20 = 25 × 1/20 × 1 = 25/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    40/10 = 40 × 2/10 × 2 = 80/20
  4. Add the two fractions:
    25/20 + 80/20 = 25 + 80/20 = 105/20
  5. 105/20 simplified gives 21/4
  6. So, 25/20 + 40/10 = 21/4
    In mixed form: 51/4

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