Add 30/84 and 12/8
1st number: 30/84, 2nd number: 1 4/8
30/84 + 12/8 is 13/7.
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,
30/84 = 30 × 2/84 × 2 = 60/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
12/8 = 12 × 21/8 × 21 = 252/168 - Add the two like fractions:
60/168 + 252/168 = 60 + 252/168 = 312/168 - 312/168 simplified gives 13/7
- So, 30/84 + 12/8 = 13/7
In mixed form: 16/7
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