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Add 18/70 and 60/40

1st number: 18/70, 2nd number: 1 20/40

18/70 + 60/40 is 123/70.

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,
    18/70 = 18 × 4/70 × 4 = 72/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    60/40 = 60 × 7/40 × 7 = 420/280
  4. Add the two like fractions:
    72/280 + 420/280 = 72 + 420/280 = 492/280
  5. 492/280 simplified gives 123/70
  6. So, 18/70 + 60/40 = 123/70
    In mixed form: 153/70

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