Add 7/84 and 12/8
1st number: 7/84, 2nd number: 1 4/8
7/84 + 12/8 is 19/12.
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,
7/84 = 7 × 2/84 × 2 = 14/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
12/8 = 12 × 21/8 × 21 = 252/168 - Add the two like fractions:
14/168 + 252/168 = 14 + 252/168 = 266/168 - 266/168 simplified gives 19/12
- So, 7/84 + 12/8 = 19/12
In mixed form: 17/12
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