Add 28/30 and 90/18
1st number: 28/30, 2nd number: 5 0/18
28/30 + 90/18 is 89/15.
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,
28/30 = 28 × 3/30 × 3 = 84/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Add the two like fractions:
84/90 + 450/90 = 84 + 450/90 = 534/90 - 534/90 simplified gives 89/15
- So, 28/30 + 90/18 = 89/15
In mixed form: 514/15
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