Answers

Add 18/70 and 14/81

18/70 + 14/81 is 1219/2835.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 81 is 5670
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5670
2. For the 1st fraction, since 70 × 81 = 5670,
   18/70 = 18 × 81/70 × 81 = 1458/5670
3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
   14/81 = 14 × 70/81 × 70 = 980/5670
4. Add the two like fractions:
   1458/5670 + 980/5670 = 1458 + 980/5670 = 2438/5670
5. 2438/5670 simplified gives 1219/2835
6. So, 18/70 + 14/81 = 1219/2835

MathStep (Works offline)

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

Related: ³⁶/₇₀+¹⁴/₈₁ ¹⁸/₇₀+²⁸/₈₁ ⁵⁴/₇₀+¹⁴/₈₁ ¹⁸/₇₀+⁴²/₈₁ ⁹⁰/₇₀+¹⁴/₈₁ ¹⁸/₇₀+⁷⁰/₈₁ ¹⁸/₇₀+⁹⁸/₈₁

Add Fractions Calculator