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Add 72/35 and 40/90

1st number: 2 2/35, 2nd number: 40/90

72/35 + 40/90 is 788/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    72/35 = 72 × 18/35 × 18 = 1296/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    40/90 = 40 × 7/90 × 7 = 280/630
  4. Add the two fractions:
    1296/630 + 280/630 = 1296 + 280/630 = 1576/630
  5. After reducing the fraction, the answer is 788/315
  6. In mixed form: 2158/315

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