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Add 48/70 and 40/72

48/70 + 40/72 is 391/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 72 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 70 × 36 = 2520,
    48/70 = 48 × 36/70 × 36 = 1728/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    40/72 = 40 × 35/72 × 35 = 1400/2520
  4. Add the two like fractions:
    1728/2520 + 1400/2520 = 1728 + 1400/2520 = 3128/2520
  5. 3128/2520 simplified gives 391/315
  6. So, 48/70 + 40/72 = 391/315
    In mixed form: 176/315

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