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Add 25/40 and 9/28

25/40 + 9/28 is 53/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    25/40 = 25 × 7/40 × 7 = 175/280
  3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
    9/28 = 9 × 10/28 × 10 = 90/280
  4. Add the two fractions:
    175/280 + 90/280 = 175 + 90/280 = 265/280
  5. 265/280 simplified gives 53/56
  6. So, 25/40 + 9/28 = 53/56

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