Answers

Add 90/15 and 42/50

1^st number: 6 0/15, 2^nd number: 42/50

90/15 + 42/50 is 171/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 50 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 15 × 10 = 150,
   90/15 = 90 × 10/15 × 10 = 900/150
3. Likewise, for the 2nd fraction, since 50 × 3 = 150,
   42/50 = 42 × 3/50 × 3 = 126/150
4. Add the two like fractions:
   900/150 + 126/150 = 900 + 126/150 = 1026/150
5. 1026/150 simplified gives 171/25
6. So, 90/15 + 42/50 = 171/25
   In mixed form: 621/25

MathStep (Works offline)

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

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

Add Fractions Calculator