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Add 21/28 and 18/25

21/28 + 18/25 is 147/100.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 25 is 700

    Next, find the equivalent fraction of both fractional numbers with denominator 700
  2. For the 1st fraction, since 28 × 25 = 700,
    21/28 = 21 × 25/28 × 25 = 525/700
  3. Likewise, for the 2nd fraction, since 25 × 28 = 700,
    18/25 = 18 × 28/25 × 28 = 504/700
  4. Add the two like fractions:
    525/700 + 504/700 = 525 + 504/700 = 1029/700
  5. 1029/700 simplified gives 147/100
  6. So, 21/28 + 18/25 = 147/100
    In mixed form: 147/100

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