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Add 45/80 and 25/35

45/80 + 25/35 is 143/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 35 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    45/80 = 45 × 7/80 × 7 = 315/560
  3. Likewise, for the 2nd fraction, since 35 × 16 = 560,
    25/35 = 25 × 16/35 × 16 = 400/560
  4. Add the two like fractions:
    315/560 + 400/560 = 315 + 400/560 = 715/560
  5. 715/560 simplified gives 143/112
  6. So, 45/80 + 25/35 = 143/112
    In mixed form: 131/112

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