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Add 4/15 and 42/40

1st number: 4/15, 2nd number: 1 2/40

4/15 + 42/40 is 79/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    4/15 = 4 × 8/15 × 8 = 32/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    42/40 = 42 × 3/40 × 3 = 126/120
  4. Add the two like fractions:
    32/120 + 126/120 = 32 + 126/120 = 158/120
  5. 158/120 simplified gives 79/60
  6. So, 4/15 + 42/40 = 79/60
    In mixed form: 119/60

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