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Add 90/70 and 84/60

1st number: 1 20/70, 2nd number: 1 24/60

90/70 + 84/60 is 94/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 60 is 420
  2. For the 1st fraction, since 70 × 6 = 420,
    90/70 = 90 × 6/70 × 6 = 540/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    84/60 = 84 × 7/60 × 7 = 588/420
  4. Add the two fractions:
    540/420 + 588/420 = 540 + 588/420 = 1128/420
  5. 1128/420 simplified gives 94/35
  6. So, 90/70 + 84/60 = 94/35
    In mixed form: 224/35

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