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Add 64/7 and 28/20

1st number: 9 1/7, 2nd number: 1 8/20

64/7 + 28/20 is 369/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 7 × 20 = 140,
    64/7 = 64 × 20/7 × 20 = 1280/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    28/20 = 28 × 7/20 × 7 = 196/140
  4. Add the two like fractions:
    1280/140 + 196/140 = 1280 + 196/140 = 1476/140
  5. 1476/140 simplified gives 369/35
  6. So, 64/7 + 28/20 = 369/35
    In mixed form: 1019/35

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