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Add 40/42 and 15/70

40/42 + 15/70 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    40/42 = 40 × 5/42 × 5 = 200/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    15/70 = 15 × 3/70 × 3 = 45/210
  4. Add the two like fractions:
    200/210 + 45/210 = 200 + 45/210 = 245/210
  5. 245/210 simplified gives 7/6
  6. So, 40/42 + 15/70 = 7/6
    In mixed form: 11/6

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