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Add 90/12 and 4/10

1st number: 7 6/12, 2nd number: 4/10

90/12 + 4/10 is 79/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    90/12 = 90 × 5/12 × 5 = 450/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    4/10 = 4 × 6/10 × 6 = 24/60
  4. Add the two fractions:
    450/60 + 24/60 = 450 + 24/60 = 474/60
  5. 474/60 simplified gives 79/10
  6. So, 90/12 + 4/10 = 79/10
    In mixed form: 79/10

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