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Add 70/20 and 80/70

1st number: 3 10/20, 2nd number: 1 10/70

70/20 + 80/70 is 65/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 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 70 × 2 = 140,
    80/70 = 80 × 2/70 × 2 = 160/140
  4. Add the two like fractions:
    490/140 + 160/140 = 490 + 160/140 = 650/140
  5. 650/140 simplified gives 65/14
  6. So, 70/20 + 80/70 = 65/14
    In mixed form: 49/14

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