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Add 15/35 and 28/20

1st number: 15/35, 2nd number: 1 8/20

15/35 + 28/20 is 64/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 35 × 4 = 140,
    15/35 = 15 × 4/35 × 4 = 60/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    28/20 = 28 × 7/20 × 7 = 196/140
  4. Add the two like fractions:
    60/140 + 196/140 = 60 + 196/140 = 256/140
  5. 256/140 simplified gives 64/35
  6. So, 15/35 + 28/20 = 64/35
    In mixed form: 129/35

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