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Add 80/8 and 42/40

1st number: 10 0/8, 2nd number: 1 2/40

80/8 + 42/40 is 221/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    80/8 = 80 × 5/8 × 5 = 400/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    42/40 = 42 × 1/40 × 1 = 42/40
  4. Add the two like fractions:
    400/40 + 42/40 = 400 + 42/40 = 442/40
  5. 442/40 simplified gives 221/20
  6. So, 80/8 + 42/40 = 221/20
    In mixed form: 111/20

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