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Add 72/40 and 3/7

1st number: 1 32/40, 2nd number: 3/7

72/40 + 3/7 is 78/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 7 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    72/40 = 72 × 7/40 × 7 = 504/280
  3. Likewise, for the 2nd fraction, since 7 × 40 = 280,
    3/7 = 3 × 40/7 × 40 = 120/280
  4. Add the two like fractions:
    504/280 + 120/280 = 504 + 120/280 = 624/280
  5. 624/280 simplified gives 78/35
  6. So, 72/40 + 3/7 = 78/35
    In mixed form: 28/35

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