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Add 42/49 and 9/20

42/49 + 9/20 is 183/140.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 49 × 20 = 980,
    42/49 = 42 × 20/49 × 20 = 840/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    9/20 = 9 × 49/20 × 49 = 441/980
  4. Add the two like fractions:
    840/980 + 441/980 = 840 + 441/980 = 1281/980
  5. 1281/980 simplified gives 183/140
  6. So, 42/49 + 9/20 = 183/140
    In mixed form: 143/140

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