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Add 25/42 and 9/10

25/42 + 9/10 is 157/105.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    25/42 = 25 × 5/42 × 5 = 125/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    9/10 = 9 × 21/10 × 21 = 189/210
  4. Add the two like fractions:
    125/210 + 189/210 = 125 + 189/210 = 314/210
  5. 314/210 simplified gives 157/105
  6. So, 25/42 + 9/10 = 157/105
    In mixed form: 152/105

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