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Add 27/20 and 70/49

1st number: 1 7/20, 2nd number: 1 21/49

27/20 + 70/49 is 389/140.

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,
    27/20 = 27 × 49/20 × 49 = 1323/980
  3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
    70/49 = 70 × 20/49 × 20 = 1400/980
  4. Add the two like fractions:
    1323/980 + 1400/980 = 1323 + 1400/980 = 2723/980
  5. 2723/980 simplified gives 389/140
  6. So, 27/20 + 70/49 = 389/140
    In mixed form: 2109/140

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