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Add 7/20 and 98/70

1st number: 7/20, 2nd number: 1 28/70

7/20 + 98/70 is 7/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    7/20 = 7 × 7/20 × 7 = 49/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    98/70 = 98 × 2/70 × 2 = 196/140
  4. Add the two like fractions:
    49/140 + 196/140 = 49 + 196/140 = 245/140
  5. 245/140 simplified gives 7/4
  6. So, 7/20 + 98/70 = 7/4
    In mixed form: 13/4

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