Add 3/84 and 12/8
1st number: 3/84, 2nd number: 1 4/8
3/84 + 12/8 is 43/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
3/84 = 3 × 2/84 × 2 = 6/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
12/8 = 12 × 21/8 × 21 = 252/168 - Add the two like fractions:
6/168 + 252/168 = 6 + 252/168 = 258/168 - 258/168 simplified gives 43/28
- So, 3/84 + 12/8 = 43/28
In mixed form: 115/28
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