Add 90/27 and 2/28
1st number: 3 9/27, 2nd number: 2/28
90/27 + 2/28 is 143/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
90/27 = 90 × 28/27 × 28 = 2520/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
2/28 = 2 × 27/28 × 27 = 54/756 - Add the two like fractions:
2520/756 + 54/756 = 2520 + 54/756 = 2574/756 - 2574/756 simplified gives 143/42
- So, 90/27 + 2/28 = 143/42
In mixed form: 317/42
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