Add 80/18 and 72/30
1st number: 4 8/18, 2nd number: 2 12/30
80/18 + 72/30 is 308/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
72/30 = 72 × 3/30 × 3 = 216/90 - Add the two like fractions:
400/90 + 216/90 = 400 + 216/90 = 616/90 - 616/90 simplified gives 308/45
- So, 80/18 + 72/30 = 308/45
In mixed form: 638/45
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