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Add 42/30 and 7/40

1st number: 1 12/30, 2nd number: 7/40

42/30 + 7/40 is 63/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    42/30 = 42 × 4/30 × 4 = 168/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    7/40 = 7 × 3/40 × 3 = 21/120
  4. Add the two like fractions:
    168/120 + 21/120 = 168 + 21/120 = 189/120
  5. 189/120 simplified gives 63/40
  6. So, 42/30 + 7/40 = 63/40
    In mixed form: 123/40

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