Add 30/84 and 45/9
1st number: 30/84, 2nd number: 5 0/9
30/84 + 45/9 is 75/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
30/84 = 30 × 3/84 × 3 = 90/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
45/9 = 45 × 28/9 × 28 = 1260/252 - Add the two like fractions:
90/252 + 1260/252 = 90 + 1260/252 = 1350/252 - 1350/252 simplified gives 75/14
- So, 30/84 + 45/9 = 75/14
In mixed form: 55/14
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