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Add 30/45 and 42/70

30/45 + 42/70 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    30/45 = 30 × 14/45 × 14 = 420/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    42/70 = 42 × 9/70 × 9 = 378/630
  4. Add the two like fractions:
    420/630 + 378/630 = 420 + 378/630 = 798/630
  5. 798/630 simplified gives 19/15
  6. So, 30/45 + 42/70 = 19/15
    In mixed form: 14/15

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