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Add 30/70 and 30/8

1st number: 30/70, 2nd number: 3 6/8

30/70 + 30/8 is 117/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    30/70 = 30 × 4/70 × 4 = 120/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    30/8 = 30 × 35/8 × 35 = 1050/280
  4. Add the two like fractions:
    120/280 + 1050/280 = 120 + 1050/280 = 1170/280
  5. 1170/280 simplified gives 117/28
  6. So, 30/70 + 30/8 = 117/28
    In mixed form: 45/28

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