Answers

Add 45/40 and 14/80

1^st number: 1 5/40, 2^nd number: 14/80

45/40 + 14/80 is 13/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   45/40 = 45 × 2/40 × 2 = 90/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   14/80 = 14 × 1/80 × 1 = 14/80
4. Add the two like fractions:
   90/80 + 14/80 = 90 + 14/80 = 104/80
5. 104/80 simplified gives 13/10
6. So, 45/40 + 14/80 = 13/10
   In mixed form: 13/10

MathStep (Works offline)

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

Related: ⁹⁰/₄₀+¹⁴/₈₀ ⁴⁵/₄₀+²⁸/₈₀ ⁴⁵/₈₀+¹⁴/₈₀ ⁴⁵/₄₀+⁴²/₈₀ ⁴⁵/₄₀+⁷⁰/₈₀ ⁴⁵/₄₀+⁹⁸/₈₀

Add Fractions Calculator