Answers

Add 20/84 and 98/30

1^st number: 20/84, 2^nd number: 3 8/30

20/84 + 98/30 is 368/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   20/84 = 20 × 5/84 × 5 = 100/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   98/30 = 98 × 14/30 × 14 = 1372/420
4. Add the two like fractions:
   100/420 + 1372/420 = 100 + 1372/420 = 1472/420
5. 1472/420 simplified gives 368/105
6. So, 20/84 + 98/30 = 368/105
   In mixed form: 353/105

MathStep (Works offline)

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

Related: ⁴⁰/₈₄+⁹⁸/₃₀ ²⁰/₈₄+⁹⁸/₆₀ ⁶⁰/₈₄+⁹⁸/₃₀ ²⁰/₈₄+⁹⁸/₉₀

Add Fractions Calculator