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Add 70/21 and 42/98

1st number: 3 7/21, 2nd number: 42/98

70/21 + 42/98 is 79/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 98 is 294
  2. For the 1st fraction, since 21 × 14 = 294,
    70/21 = 70 × 14/21 × 14 = 980/294
  3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
    42/98 = 42 × 3/98 × 3 = 126/294
  4. Add the two fractions:
    980/294 + 126/294 = 980 + 126/294 = 1106/294
  5. 1106/294 simplified gives 79/21
  6. So, 70/21 + 42/98 = 79/21
    In mixed form: 316/21

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