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Add 42/98 and 14/20

42/98 + 14/20 is 79/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 20 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 98 × 10 = 980,
    42/98 = 42 × 10/98 × 10 = 420/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    14/20 = 14 × 49/20 × 49 = 686/980
  4. Add the two like fractions:
    420/980 + 686/980 = 420 + 686/980 = 1106/980
  5. 1106/980 simplified gives 79/70
  6. So, 42/98 + 14/20 = 79/70
    In mixed form: 19/70

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