Answers

Add 40/98 and 20/42

40/98 + 20/42 is 130/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 42 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 98 × 3 = 294,
   40/98 = 40 × 3/98 × 3 = 120/294
3. Likewise, for the 2nd fraction, since 42 × 7 = 294,
   20/42 = 20 × 7/42 × 7 = 140/294
4. Add the two like fractions:
   120/294 + 140/294 = 120 + 140/294 = 260/294
5. 260/294 simplified gives 130/147
6. So, 40/98 + 20/42 = 130/147

MathStep (Works offline)

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

Related: ⁸⁰/₉₈+²⁰/₄₂ ⁴⁰/₉₈+⁴⁰/₄₂ ⁴⁰/₉₈+²⁰/₈₄ ⁴⁰/₉₈+⁶⁰/₄₂

Add Fractions Calculator