Answers

Add 42/10 and 5/90

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

42/10 + 5/90 is 383/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   42/10 = 42 × 9/10 × 9 = 378/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   5/90 = 5 × 1/90 × 1 = 5/90
4. Add the two like fractions:
   378/90 + 5/90 = 378 + 5/90 = 383/90
5. So, 42/10 + 5/90 = 383/90
   In mixed form: 423/90

MathStep (Works offline)

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

Related: ⁸⁴/₁₀+⁵/₉₀ ⁴²/₁₀+¹⁰/₉₀ ⁴²/₂₀+⁵/₉₀ ⁴²/₁₀+¹⁵/₉₀ ⁴²/₃₀+⁵/₉₀ ⁴²/₁₀+²⁵/₉₀ ⁴²/₅₀+⁵/₉₀ ⁴²/₁₀+³⁵/₉₀ ⁴²/₇₀+⁵/₉₀

Add Fractions Calculator