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Add 42/9 and 7/10

1st number: 4 6/9, 2nd number: 7/10

42/9 + 7/10 is 161/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 9 × 10 = 90,
    42/9 = 42 × 10/9 × 10 = 420/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    7/10 = 7 × 9/10 × 9 = 63/90
  4. Add the two like fractions:
    420/90 + 63/90 = 420 + 63/90 = 483/90
  5. 483/90 simplified gives 161/30
  6. So, 42/9 + 7/10 = 161/30
    In mixed form: 511/30

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