Answers

Add 4/90 and 7/30

4/90 + 7/30 is 5/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 30 is 90
2. For the 1st fraction, since 90 × 1 = 90,
   4/90 = 4 × 1/90 × 1 = 4/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   7/30 = 7 × 3/30 × 3 = 21/90
4. Add the two fractions:
   4/90 + 21/90 = 4 + 21/90 = 25/90
5. 25/90 simplified gives 5/18
6. So, 4/90 + 7/30 = 5/18

MathStep (Works offline)

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

Related: ⁸/₉₀+⁷/₃₀ ⁴/₉₀+¹⁴/₃₀ ⁴/₉₀+⁷/₆₀ ¹²/₉₀+⁷/₃₀ ⁴/₉₀+²¹/₃₀ ⁴/₉₀+⁷/₉₀ ²⁰/₉₀+⁷/₃₀ ⁴/₉₀+³⁵/₃₀ ²⁸/₉₀+⁷/₃₀ ⁴/₉₀+⁴⁹/₃₀

Add Fractions Calculator