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Add 7/90 and 42/10

1st number: 7/90, 2nd number: 4 2/10

7/90 + 42/10 is 77/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 10 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    42/10 = 42 × 9/10 × 9 = 378/90
  4. Add the two fractions:
    7/90 + 378/90 = 7 + 378/90 = 385/90
  5. After reducing the fraction, the answer is 77/18
  6. In mixed form: 45/18

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