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Add 45/80 and 30/7

1st number: 45/80, 2nd number: 4 2/7

45/80 + 30/7 is 543/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 7 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 7 × 80 = 560,
    30/7 = 30 × 80/7 × 80 = 2400/560
  4. Add the two like fractions:
    315/560 + 2400/560 = 315 + 2400/560 = 2715/560
  5. 2715/560 simplified gives 543/112
  6. So, 45/80 + 30/7 = 543/112
    In mixed form: 495/112

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