Add 90/84 and 20/27
1st number: 1 6/84, 2nd number: 20/27
90/84 + 20/27 is 685/378.
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,
90/84 = 90 × 9/84 × 9 = 810/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
20/27 = 20 × 28/27 × 28 = 560/756 - Add the two like fractions:
810/756 + 560/756 = 810 + 560/756 = 1370/756 - 1370/756 simplified gives 685/378
- So, 90/84 + 20/27 = 685/378
In mixed form: 1307/378
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