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Add 28/42 and 7/30

28/42 + 7/30 is 9/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    28/42 = 28 × 5/42 × 5 = 140/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    7/30 = 7 × 7/30 × 7 = 49/210
  4. Add the two fractions:
    140/210 + 49/210 = 140 + 49/210 = 189/210
  5. After reducing the fraction, the answer is 9/10

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