Answers

Add 75/84 and 20/50

75/84 + 20/50 is 181/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 50 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 84 × 25 = 2100,
   75/84 = 75 × 25/84 × 25 = 1875/2100
3. Likewise, for the 2nd fraction, since 50 × 42 = 2100,
   20/50 = 20 × 42/50 × 42 = 840/2100
4. Add the two like fractions:
   1875/2100 + 840/2100 = 1875 + 840/2100 = 2715/2100
5. 2715/2100 simplified gives 181/140
6. So, 75/84 + 20/50 = 181/140
   In mixed form: 141/140

MathStep (Works offline)

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

Related: ⁷⁵/₈₄+⁴⁰/₅₀ ⁷⁵/₈₄+⁶⁰/₅₀

Add Fractions Calculator