Answers

Add 1/18 and 35/90

1/18 + 35/90 is 4/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 90 is 90
2. For the 1st fraction, since 18 × 5 = 90,
   1/18 = 1 × 5/18 × 5 = 5/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   35/90 = 35 × 1/90 × 1 = 35/90
4. Add the two fractions:
   5/90 + 35/90 = 5 + 35/90 = 40/90
5. 40/90 simplified gives 4/9
6. So, 1/18 + 35/90 = 4/9

MathStep (Works offline)

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

Related: ²/₁₈+³⁵/₉₀ ¹/₁₈+⁷⁰/₉₀ ¹/₃₆+³⁵/₉₀ ³/₁₈+³⁵/₉₀ ¹/₅₄+³⁵/₉₀ ⁵/₁₈+³⁵/₉₀ ¹/₉₀+³⁵/₉₀ ⁷/₁₈+³⁵/₉₀

Add Fractions Calculator