Answers

Add 81/56 and 8/40

1^st number: 1 25/56, 2^nd number: 8/40

81/56 + 8/40 is 461/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   81/56 = 81 × 5/56 × 5 = 405/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   8/40 = 8 × 7/40 × 7 = 56/280
4. Add the two like fractions:
   405/280 + 56/280 = 405 + 56/280 = 461/280
5. So, 81/56 + 8/40 = 461/280
   In mixed form: 1181/280

MathStep (Works offline)

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

Related: ⁸¹/₅₆+¹⁶/₄₀ ⁸¹/₅₆+⁸/₈₀ ⁸¹/₅₆+²⁴/₄₀ ⁸¹/₅₆+⁵⁶/₄₀

Add Fractions Calculator