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Add 1/25 and 21/28

1/25 + 21/28 is 79/100.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 700
  2. For the 1st fraction, since 25 × 28 = 700,
    1/25 = 1 × 28/25 × 28 = 28/700
  3. Likewise, for the 2nd fraction, since 28 × 25 = 700,
    21/28 = 21 × 25/28 × 25 = 525/700
  4. Add the two like fractions:
    28/700 + 525/700 = 28 + 525/700 = 553/700
  5. 553/700 simplified gives 79/100
  6. So, 1/25 + 21/28 = 79/100

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