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Add 25/20 and 21/49

1st number: 1 5/20, 2nd number: 21/49

25/20 + 21/49 is 47/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 49 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 20 × 49 = 980,
    25/20 = 25 × 49/20 × 49 = 1225/980
  3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
    21/49 = 21 × 20/49 × 20 = 420/980
  4. Add the two like fractions:
    1225/980 + 420/980 = 1225 + 420/980 = 1645/980
  5. 1645/980 simplified gives 47/28
  6. So, 25/20 + 21/49 = 47/28
    In mixed form: 119/28

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