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Add 90/70 and 45/98

1st number: 1 20/70, 2nd number: 45/98

90/70 + 45/98 is 171/98.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    90/70 = 90 × 7/70 × 7 = 630/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    45/98 = 45 × 5/98 × 5 = 225/490
  4. Add the two like fractions:
    630/490 + 225/490 = 630 + 225/490 = 855/490
  5. 855/490 simplified gives 171/98
  6. So, 90/70 + 45/98 = 171/98
    In mixed form: 173/98

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