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Add 42/20 and 40/7

1st number: 2 2/20, 2nd number: 5 5/7

42/20 + 40/7 is 547/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 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 7 × 20 = 140,
    40/7 = 40 × 20/7 × 20 = 800/140
  4. Add the two like fractions:
    294/140 + 800/140 = 294 + 800/140 = 1094/140
  5. 1094/140 simplified gives 547/70
  6. So, 42/20 + 40/7 = 547/70
    In mixed form: 757/70

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