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Add 3/7 and 35/20

1st number: 3/7, 2nd number: 1 15/20

3/7 + 35/20 is 61/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 7 × 20 = 140,
    3/7 = 3 × 20/7 × 20 = 60/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    35/20 = 35 × 7/20 × 7 = 245/140
  4. Add the two like fractions:
    60/140 + 245/140 = 60 + 245/140 = 305/140
  5. 305/140 simplified gives 61/28
  6. So, 3/7 + 35/20 = 61/28
    In mixed form: 25/28

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