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Add 42/20 and 70/30

1st number: 2 2/20, 2nd number: 2 10/30

42/20 + 70/30 is 133/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 30 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    42/20 = 42 × 3/20 × 3 = 126/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    70/30 = 70 × 2/30 × 2 = 140/60
  4. Add the two fractions:
    126/60 + 140/60 = 126 + 140/60 = 266/60
  5. After reducing the fraction, the answer is 133/30
  6. In mixed form: 413/30

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