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Add 42/70 and 6/30

42/70 + 6/30 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    42/70 = 42 × 3/70 × 3 = 126/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    6/30 = 6 × 7/30 × 7 = 42/210
  4. Add the two fractions:
    126/210 + 42/210 = 126 + 42/210 = 168/210
  5. 168/210 simplified gives 4/5
  6. So, 42/70 + 6/30 = 4/5

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