Add 81/28 and 90/56
1st number: 2 25/28, 2nd number: 1 34/56
81/28 + 90/56 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
81/28 = 81 × 2/28 × 2 = 162/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
90/56 = 90 × 1/56 × 1 = 90/56 - Add the two like fractions:
162/56 + 90/56 = 162 + 90/56 = 252/56 - 252/56 simplified gives 9/2
- So, 81/28 + 90/56 = 9/2
In mixed form: 41/2
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