Add 7/84 and 30/9
1st number: 7/84, 2nd number: 3 3/9
7/84 + 30/9 is 41/12.
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,
7/84 = 7 × 3/84 × 3 = 21/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
30/9 = 30 × 28/9 × 28 = 840/252 - Add the two like fractions:
21/252 + 840/252 = 21 + 840/252 = 861/252 - 861/252 simplified gives 41/12
- So, 7/84 + 30/9 = 41/12
In mixed form: 35/12
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