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Add 70/45 and 63/72

1st number: 1 25/45, 2nd number: 63/72

70/45 + 63/72 is 175/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 72 is 360
  2. For the 1st fraction, since 45 × 8 = 360,
    70/45 = 70 × 8/45 × 8 = 560/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    63/72 = 63 × 5/72 × 5 = 315/360
  4. Add the two fractions:
    560/360 + 315/360 = 560 + 315/360 = 875/360
  5. 875/360 simplified gives 175/72
  6. So, 70/45 + 63/72 = 175/72
    In mixed form: 231/72

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