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Add 15/25 and 4/40

15/25 + 4/40 is 7/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 40 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 25 × 8 = 200,
    15/25 = 15 × 8/25 × 8 = 120/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    4/40 = 4 × 5/40 × 5 = 20/200
  4. Add the two like fractions:
    120/200 + 20/200 = 120 + 20/200 = 140/200
  5. 140/200 simplified gives 7/10
  6. So, 15/25 + 4/40 = 7/10

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