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Add 40/50 and 18/21

40/50 + 18/21 is 58/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 21 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    40/50 = 40 × 21/50 × 21 = 840/1050
  3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
    18/21 = 18 × 50/21 × 50 = 900/1050
  4. Add the two like fractions:
    840/1050 + 900/1050 = 840 + 900/1050 = 1740/1050
  5. 1740/1050 simplified gives 58/35
  6. So, 40/50 + 18/21 = 58/35
    In mixed form: 123/35

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