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Add 75/70 and 30/4

1st number: 1 5/70, 2nd number: 7 2/4

75/70 + 30/4 is 60/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 4 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    75/70 = 75 × 2/70 × 2 = 150/140
  3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
    30/4 = 30 × 35/4 × 35 = 1050/140
  4. Add the two like fractions:
    150/140 + 1050/140 = 150 + 1050/140 = 1200/140
  5. 1200/140 simplified gives 60/7
  6. So, 75/70 + 30/4 = 60/7
    In mixed form: 84/7

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