Add 9/8 and 12/84
1st number: 1 1/8, 2nd number: 12/84
9/8 + 12/84 is 71/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
9/8 = 9 × 21/8 × 21 = 189/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
12/84 = 12 × 2/84 × 2 = 24/168 - Add the two like fractions:
189/168 + 24/168 = 189 + 24/168 = 213/168 - 213/168 simplified gives 71/56
- So, 9/8 + 12/84 = 71/56
In mixed form: 115/56
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