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Add 3/8 and 9/10

3/8 + 9/10 is 51/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 10 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    3/8 = 3 × 5/8 × 5 = 15/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    9/10 = 9 × 4/10 × 4 = 36/40
  4. Add the two like fractions:
    15/40 + 36/40 = 15 + 36/40 = 51/40
  5. So, 3/8 + 9/10 = 51/40
    In mixed form: 111/40

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