Answers

Add 45/40 and 15/45

1^st number: 1 5/40, 2^nd number: 15/45

45/40 + 15/45 is 35/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   45/40 = 45 × 9/40 × 9 = 405/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   15/45 = 15 × 8/45 × 8 = 120/360
4. Add the two like fractions:
   405/360 + 120/360 = 405 + 120/360 = 525/360
5. 525/360 simplified gives 35/24
6. So, 45/40 + 15/45 = 35/24
   In mixed form: 111/24

MathStep (Works offline)

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

Related: ⁹⁰/₄₀+¹⁵/₄₅ ⁴⁵/₄₀+³⁰/₄₅ ⁴⁵/₈₀+¹⁵/₄₅ ⁴⁵/₄₀+¹⁵/₉₀ ⁴⁵/₄₀+⁷⁵/₄₅

Add Fractions Calculator