Add 4/84 and 30/9
1st number: 4/84, 2nd number: 3 3/9
4/84 + 30/9 is 71/21.
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,
4/84 = 4 × 3/84 × 3 = 12/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
30/9 = 30 × 28/9 × 28 = 840/252 - Add the two like fractions:
12/252 + 840/252 = 12 + 840/252 = 852/252 - 852/252 simplified gives 71/21
- So, 4/84 + 30/9 = 71/21
In mixed form: 38/21
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