Add 80/30 and 21/18
1st number: 2 20/30, 2nd number: 1 3/18
80/30 + 21/18 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
21/18 = 21 × 5/18 × 5 = 105/90 - Add the two like fractions:
240/90 + 105/90 = 240 + 105/90 = 345/90 - 345/90 simplified gives 23/6
- So, 80/30 + 21/18 = 23/6
In mixed form: 35/6
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