Add 54/8 and 28/84
1st number: 6 6/8, 2nd number: 28/84
54/8 + 28/84 is 85/12.
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,
54/8 = 54 × 21/8 × 21 = 1134/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
28/84 = 28 × 2/84 × 2 = 56/168 - Add the two like fractions:
1134/168 + 56/168 = 1134 + 56/168 = 1190/168 - 1190/168 simplified gives 85/12
- So, 54/8 + 28/84 = 85/12
In mixed form: 71/12
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