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Add 36/45 and 42/70

36/45 + 42/70 is 7/5.

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,
    36/45 = 36 × 14/45 × 14 = 504/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    42/70 = 42 × 9/70 × 9 = 378/630
  4. Add the two like fractions:
    504/630 + 378/630 = 504 + 378/630 = 882/630
  5. 882/630 simplified gives 7/5
  6. So, 36/45 + 42/70 = 7/5
    In mixed form: 12/5

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