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Add 3/70 and 42/40

1st number: 3/70, 2nd number: 1 2/40

3/70 + 42/40 is 153/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    3/70 = 3 × 4/70 × 4 = 12/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    42/40 = 42 × 7/40 × 7 = 294/280
  4. Add the two like fractions:
    12/280 + 294/280 = 12 + 294/280 = 306/280
  5. 306/280 simplified gives 153/140
  6. So, 3/70 + 42/40 = 153/140
    In mixed form: 113/140

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