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Add 70/20 and 2/35

1st number: 3 10/20, 2nd number: 2/35

70/20 + 2/35 is 249/70.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    70/20 = 70 × 7/20 × 7 = 490/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    2/35 = 2 × 4/35 × 4 = 8/140
  4. Add the two like fractions:
    490/140 + 8/140 = 490 + 8/140 = 498/140
  5. 498/140 simplified gives 249/70
  6. So, 70/20 + 2/35 = 249/70
    In mixed form: 339/70

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