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Add 4/30 and 42/80

4/30 + 42/80 is 79/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 30 × 8 = 240,
    4/30 = 4 × 8/30 × 8 = 32/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    42/80 = 42 × 3/80 × 3 = 126/240
  4. Add the two like fractions:
    32/240 + 126/240 = 32 + 126/240 = 158/240
  5. 158/240 simplified gives 79/120
  6. So, 4/30 + 42/80 = 79/120

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