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Add 42/6 and 21/10

1st number: 7 0/6, 2nd number: 2 1/10

42/6 + 21/10 is 91/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 10 is 30
  2. For the 1st fraction, since 6 × 5 = 30,
    42/6 = 42 × 5/6 × 5 = 210/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    21/10 = 21 × 3/10 × 3 = 63/30
  4. Add the two fractions:
    210/30 + 63/30 = 210 + 63/30 = 273/30
  5. 273/30 simplified gives 91/10
  6. So, 42/6 + 21/10 = 91/10
    In mixed form: 91/10

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