Answers

Add 9/40 and 10/45

9/40 + 10/45 is 161/360.

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,
   9/40 = 9 × 9/40 × 9 = 81/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   10/45 = 10 × 8/45 × 8 = 80/360
4. Add the two like fractions:
   81/360 + 80/360 = 81 + 80/360 = 161/360
5. So, 9/40 + 10/45 = 161/360

MathStep (Works offline)

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

Related: ¹⁸/₄₀+¹⁰/₄₅ ⁹/₄₀+²⁰/₄₅ ⁹/₈₀+¹⁰/₄₅ ⁹/₄₀+¹⁰/₉₀ ²⁷/₄₀+¹⁰/₄₅ ⁹/₄₀+³⁰/₄₅ ⁴⁵/₄₀+¹⁰/₄₅ ⁹/₄₀+⁵⁰/₄₅ ⁶³/₄₀+¹⁰/₄₅ ⁹/₄₀+⁷⁰/₄₅

Add Fractions Calculator