Answers

Add 4/90 and 15/10

1^st number: 4/90, 2^nd number: 1 5/10

4/90 + 15/10 is 139/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 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 10 × 9 = 90,
   15/10 = 15 × 9/10 × 9 = 135/90
4. Add the two like fractions:
   4/90 + 135/90 = 4 + 135/90 = 139/90
5. So, 4/90 + 15/10 = 139/90
   In mixed form: 149/90

MathStep (Works offline)

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

Related: ⁸/₉₀+¹⁵/₁₀ ⁴/₉₀+³⁰/₁₀ ⁴/₉₀+¹⁵/₂₀ ¹²/₉₀+¹⁵/₁₀ ⁴/₉₀+⁴⁵/₁₀ ⁴/₉₀+¹⁵/₃₀ ²⁰/₉₀+¹⁵/₁₀ ⁴/₉₀+⁷⁵/₁₀ ⁴/₉₀+¹⁵/₅₀ ²⁸/₉₀+¹⁵/₁₀ ⁴/₉₀+¹⁵/₇₀

Add Fractions Calculator