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Add 35/72 and 42/70

35/72 + 42/70 is 391/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 70 is 2520
  2. For the 1st fraction, since 72 × 35 = 2520,
    35/72 = 35 × 35/72 × 35 = 1225/2520
  3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
    42/70 = 42 × 36/70 × 36 = 1512/2520
  4. Add the two fractions:
    1225/2520 + 1512/2520 = 1225 + 1512/2520 = 2737/2520
  5. 2737/2520 simplified gives 391/360
  6. So, 35/72 + 42/70 = 391/360
    In mixed form: 131/360

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