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Add 90/70 and 4/40

1st number: 1 20/70, 2nd number: 4/40

90/70 + 4/40 is 97/70.

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,
    4/40 = 4 × 7/40 × 7 = 28/280
  4. Add the two like fractions:
    360/280 + 28/280 = 360 + 28/280 = 388/280
  5. 388/280 simplified gives 97/70
  6. So, 90/70 + 4/40 = 97/70
    In mixed form: 127/70

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