Answers

Add 54/8 and 3/80

1^st number: 6 6/8, 2^nd number: 3/80

54/8 + 3/80 is 543/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 8 × 10 = 80,
   54/8 = 54 × 10/8 × 10 = 540/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   3/80 = 3 × 1/80 × 1 = 3/80
4. Add the two like fractions:
   540/80 + 3/80 = 540 + 3/80 = 543/80
5. So, 54/8 + 3/80 = 543/80
   In mixed form: 663/80

MathStep (Works offline)

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

Related: ⁵⁴/₈+⁶/₈₀ ⁵⁴/₁₆+³/₈₀ ⁵⁴/₈+⁹/₈₀ ⁵⁴/₂₄+³/₈₀ ⁵⁴/₈+¹⁵/₈₀ ⁵⁴/₄₀+³/₈₀ ⁵⁴/₈+²¹/₈₀ ⁵⁴/₅₆+³/₈₀

Add Fractions Calculator