Add 15/90 and 98/81
1st number: 15/90, 2nd number: 1 17/81
15/90 + 98/81 is 223/162.
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,
15/90 = 15 × 9/90 × 9 = 135/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
98/81 = 98 × 10/81 × 10 = 980/810 - Add the two like fractions:
135/810 + 980/810 = 135 + 980/810 = 1115/810 - 1115/810 simplified gives 223/162
- So, 15/90 + 98/81 = 223/162
In mixed form: 161/162
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