Answers

Add 9/90 and 6/45

9/90 + 6/45 is 7/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   9/90 = 9 × 1/90 × 1 = 9/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   6/45 = 6 × 2/45 × 2 = 12/90
4. Add the two like fractions:
   9/90 + 12/90 = 9 + 12/90 = 21/90
5. 21/90 simplified gives 7/30
6. So, 9/90 + 6/45 = 7/30

MathStep (Works offline)

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

Related: ¹⁸/₉₀+⁶/₄₅ ⁹/₉₀+¹²/₄₅ ⁹/₉₀+⁶/₉₀ ²⁷/₉₀+⁶/₄₅ ⁹/₉₀+¹⁸/₄₅ ⁴⁵/₉₀+⁶/₄₅ ⁹/₉₀+³⁰/₄₅ ⁶³/₉₀+⁶/₄₅ ⁹/₉₀+⁴²/₄₅

Add Fractions Calculator