Add 90/28 and 72/27
1st number: 3 6/28, 2nd number: 2 18/27
90/28 + 72/27 is 247/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
90/28 = 90 × 27/28 × 27 = 2430/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
72/27 = 72 × 28/27 × 28 = 2016/756 - Add the two like fractions:
2430/756 + 2016/756 = 2430 + 2016/756 = 4446/756 - 4446/756 simplified gives 247/42
- So, 90/28 + 72/27 = 247/42
In mixed form: 537/42
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