Add 14/84 and 90/27
1st number: 14/84, 2nd number: 3 9/27
14/84 + 90/27 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
14/84 = 14 × 9/84 × 9 = 126/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
90/27 = 90 × 28/27 × 28 = 2520/756 - Add the two like fractions:
126/756 + 2520/756 = 126 + 2520/756 = 2646/756 - 2646/756 simplified gives 7/2
- So, 14/84 + 90/27 = 7/2
In mixed form: 31/2
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