Add 98/30 and 21/9
1st number: 3 8/30, 2nd number: 2 3/9
98/30 + 21/9 is 28/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
98/30 = 98 × 3/30 × 3 = 294/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
21/9 = 21 × 10/9 × 10 = 210/90 - Add the two like fractions:
294/90 + 210/90 = 294 + 210/90 = 504/90 - 504/90 simplified gives 28/5
- So, 98/30 + 21/9 = 28/5
In mixed form: 53/5
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