Answers

Add 81/63 and 8/5

1^st number: 1 18/63, 2^nd number: 1 3/5

81/63 + 8/5 is 101/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 5 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   81/63 = 81 × 5/63 × 5 = 405/315
3. Likewise, for the 2nd fraction, since 5 × 63 = 315,
   8/5 = 8 × 63/5 × 63 = 504/315
4. Add the two like fractions:
   405/315 + 504/315 = 405 + 504/315 = 909/315
5. 909/315 simplified gives 101/35
6. So, 81/63 + 8/5 = 101/35
   In mixed form: 231/35

MathStep (Works offline)

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

Related: ⁸¹/₆₃+¹⁶/₅ ⁸¹/₆₃+⁸/₁₀ ⁸¹/₆₃+²⁴/₅ ⁸¹/₆₃+⁸/₁₅ ⁸¹/₆₃+⁴⁰/₅ ⁸¹/₆₃+⁸/₂₅ ⁸¹/₆₃+⁵⁶/₅ ⁸¹/₆₃+⁸/₃₅

Add Fractions Calculator