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Add 42/16 and 21/10

1st number: 2 10/16, 2nd number: 2 1/10

42/16 + 21/10 is 189/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    42/16 = 42 × 5/16 × 5 = 210/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    21/10 = 21 × 8/10 × 8 = 168/80
  4. Add the two like fractions:
    210/80 + 168/80 = 210 + 168/80 = 378/80
  5. 378/80 simplified gives 189/40
  6. So, 42/16 + 21/10 = 189/40
    In mixed form: 429/40

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