Add 84/56 and 54/42
1st number: 1 28/56, 2nd number: 1 12/42
84/56 + 54/42 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
54/42 = 54 × 4/42 × 4 = 216/168 - Add the two like fractions:
252/168 + 216/168 = 252 + 216/168 = 468/168 - 468/168 simplified gives 39/14
- So, 84/56 + 54/42 = 39/14
In mixed form: 211/14
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Related: 84/56+54/84