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Add 42/10 and 9/7

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

42/10 + 9/7 is 192/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 10 × 7 = 70,
    42/10 = 42 × 7/10 × 7 = 294/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    9/7 = 9 × 10/7 × 10 = 90/70
  4. Add the two like fractions:
    294/70 + 90/70 = 294 + 90/70 = 384/70
  5. 384/70 simplified gives 192/35
  6. So, 42/10 + 9/7 = 192/35
    In mixed form: 517/35

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