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Add 90/70 and 36/40

1st number: 1 20/70, 2nd number: 36/40

90/70 + 36/40 is 153/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    90/70 = 90 × 4/70 × 4 = 360/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    36/40 = 36 × 7/40 × 7 = 252/280
  4. Add the two like fractions:
    360/280 + 252/280 = 360 + 252/280 = 612/280
  5. 612/280 simplified gives 153/70
  6. So, 90/70 + 36/40 = 153/70
    In mixed form: 213/70

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