Add 98/90 and 28/81
1st number: 1 8/90, 2nd number: 28/81
98/90 + 28/81 is 581/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 90 × 9 = 810,
98/90 = 98 × 9/90 × 9 = 882/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
28/81 = 28 × 10/81 × 10 = 280/810 - Add the two like fractions:
882/810 + 280/810 = 882 + 280/810 = 1162/810 - 1162/810 simplified gives 581/405
- So, 98/90 + 28/81 = 581/405
In mixed form: 1176/405
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