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Add 9/10 and 15/42

9/10 + 15/42 is 44/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    9/10 = 9 × 21/10 × 21 = 189/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    15/42 = 15 × 5/42 × 5 = 75/210
  4. Add the two like fractions:
    189/210 + 75/210 = 189 + 75/210 = 264/210
  5. 264/210 simplified gives 44/35
  6. So, 9/10 + 15/42 = 44/35
    In mixed form: 19/35

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