Answers

Add 90/10 and 35/81

1^st number: 9 0/10, 2^nd number: 35/81

90/10 + 35/81 is 764/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 10 × 81 = 810,
   90/10 = 90 × 81/10 × 81 = 7290/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   35/81 = 35 × 10/81 × 10 = 350/810
4. Add the two like fractions:
   7290/810 + 350/810 = 7290 + 350/810 = 7640/810
5. 7640/810 simplified gives 764/81
6. So, 90/10 + 35/81 = 764/81
   In mixed form: 935/81

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁹⁰/₁₀+⁷⁰/₈₁ ⁹⁰/₂₀+³⁵/₈₁ ⁹⁰/₃₀+³⁵/₈₁ ⁹⁰/₅₀+³⁵/₈₁ ⁹⁰/₇₀+³⁵/₈₁

Add Fractions Calculator