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Add 28/70 and 80/7

1st number: 28/70, 2nd number: 11 3/7

28/70 + 80/7 is 414/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    28/70 = 28 × 1/70 × 1 = 28/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    80/7 = 80 × 10/7 × 10 = 800/70
  4. Add the two like fractions:
    28/70 + 800/70 = 28 + 800/70 = 828/70
  5. 828/70 simplified gives 414/35
  6. So, 28/70 + 80/7 = 414/35
    In mixed form: 1129/35

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