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Add 42/30 and 7/10

1st number: 1 12/30, 2nd number: 7/10

42/30 + 7/10 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 10 is 30
  2. For the 1st fraction, since 30 × 1 = 30,
    42/30 = 42 × 1/30 × 1 = 42/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    7/10 = 7 × 3/10 × 3 = 21/30
  4. Add the two fractions:
    42/30 + 21/30 = 42 + 21/30 = 63/30
  5. 63/30 simplified gives 21/10
  6. So, 42/30 + 7/10 = 21/10
    In mixed form: 21/10

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