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Add 21/25 and 28/35

21/25 + 28/35 is 41/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 35 is 175

    Next, find the equivalent fraction of both fractional numbers with denominator 175
  2. For the 1st fraction, since 25 × 7 = 175,
    21/25 = 21 × 7/25 × 7 = 147/175
  3. Likewise, for the 2nd fraction, since 35 × 5 = 175,
    28/35 = 28 × 5/35 × 5 = 140/175
  4. Add the two like fractions:
    147/175 + 140/175 = 147 + 140/175 = 287/175
  5. 287/175 simplified gives 41/25
  6. So, 21/25 + 28/35 = 41/25
    In mixed form: 116/25

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