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Add 30/42 and 42/60

30/42 + 42/60 is 99/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 42 × 10 = 420,
    30/42 = 30 × 10/42 × 10 = 300/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    42/60 = 42 × 7/60 × 7 = 294/420
  4. Add the two like fractions:
    300/420 + 294/420 = 300 + 294/420 = 594/420
  5. 594/420 simplified gives 99/70
  6. So, 30/42 + 42/60 = 99/70
    In mixed form: 129/70

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