Add 90/56 and 81/54
1st number: 1 34/56, 2nd number: 1 27/54
90/56 + 81/54 is 87/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
90/56 = 90 × 27/56 × 27 = 2430/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
81/54 = 81 × 28/54 × 28 = 2268/1512 - Add the two like fractions:
2430/1512 + 2268/1512 = 2430 + 2268/1512 = 4698/1512 - 4698/1512 simplified gives 87/28
- So, 90/56 + 81/54 = 87/28
In mixed form: 33/28
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