Answers

Add 15/50 and 42/30

1^st number: 15/50, 2^nd number: 1 12/30

15/50 + 42/30 is 17/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 30 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 50 × 3 = 150,
   15/50 = 15 × 3/50 × 3 = 45/150
3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
   42/30 = 42 × 5/30 × 5 = 210/150
4. Add the two like fractions:
   45/150 + 210/150 = 45 + 210/150 = 255/150
5. 255/150 simplified gives 17/10
6. So, 15/50 + 42/30 = 17/10
   In mixed form: 17/10

MathStep (Works offline)

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

Related: ³⁰/₅₀+⁴²/₃₀ ¹⁵/₅₀+⁸⁴/₃₀ ¹⁵/₅₀+⁴²/₆₀ ⁴⁵/₅₀+⁴²/₃₀ ¹⁵/₅₀+⁴²/₉₀ ⁷⁵/₅₀+⁴²/₃₀

Add Fractions Calculator