Add 45/15 and 80/18
1st number: 3 0/15, 2nd number: 4 8/18
45/15 + 80/18 is 67/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
45/15 = 45 × 6/15 × 6 = 270/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Add the two like fractions:
270/90 + 400/90 = 270 + 400/90 = 670/90 - 670/90 simplified gives 67/9
- So, 45/15 + 80/18 = 67/9
In mixed form: 74/9
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