Add 54/84 and 90/56
1st number: 54/84, 2nd number: 1 34/56
54/84 + 90/56 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
54/84 = 54 × 2/84 × 2 = 108/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Add the two like fractions:
108/168 + 270/168 = 108 + 270/168 = 378/168 - 378/168 simplified gives 9/4
- So, 54/84 + 90/56 = 9/4
In mixed form: 21/4
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