Answers

Add 35/8 and 63/81

1^st number: 4 3/8, 2^nd number: 63/81

35/8 + 63/81 is 371/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 81 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 8 × 81 = 648,
   35/8 = 35 × 81/8 × 81 = 2835/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   63/81 = 63 × 8/81 × 8 = 504/648
4. Add the two like fractions:
   2835/648 + 504/648 = 2835 + 504/648 = 3339/648
5. 3339/648 simplified gives 371/72
6. So, 35/8 + 63/81 = 371/72
   In mixed form: 511/72

MathStep (Works offline)

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

Related: ⁷⁰/₈+⁶³/₈₁ ³⁵/₁₆+⁶³/₈₁ ³⁵/₂₄+⁶³/₈₁ ³⁵/₄₀+⁶³/₈₁ ³⁵/₅₆+⁶³/₈₁

Add Fractions Calculator