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Add 42/20 and 18/70

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

42/20 + 18/70 is 33/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    42/20 = 42 × 7/20 × 7 = 294/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    18/70 = 18 × 2/70 × 2 = 36/140
  4. Add the two fractions:
    294/140 + 36/140 = 294 + 36/140 = 330/140
  5. 330/140 simplified gives 33/14
  6. So, 42/20 + 18/70 = 33/14
    In mixed form: 25/14

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