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Add 30/18 and 42/70

1st number: 1 12/18, 2nd number: 42/70

30/18 + 42/70 is 34/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    30/18 = 30 × 35/18 × 35 = 1050/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    42/70 = 42 × 9/70 × 9 = 378/630
  4. Add the two like fractions:
    1050/630 + 378/630 = 1050 + 378/630 = 1428/630
  5. 1428/630 simplified gives 34/15
  6. So, 30/18 + 42/70 = 34/15
    In mixed form: 24/15

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