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Add 72/56 and 42/15

1st number: 1 16/56, 2nd number: 2 12/15

72/56 + 42/15 is 143/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840
  2. For the 1st fraction, since 56 × 15 = 840,
    72/56 = 72 × 15/56 × 15 = 1080/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    42/15 = 42 × 56/15 × 56 = 2352/840
  4. Add the two fractions:
    1080/840 + 2352/840 = 1080 + 2352/840 = 3432/840
  5. 3432/840 simplified gives 143/35
  6. So, 72/56 + 42/15 = 143/35
    In mixed form: 43/35

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