Answers

Add 90/98 and 35/20

1^st number: 90/98, 2^nd number: 1 15/20

90/98 + 35/20 is 523/196.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 98 × 10 = 980,
   90/98 = 90 × 10/98 × 10 = 900/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   35/20 = 35 × 49/20 × 49 = 1715/980
4. Add the two like fractions:
   900/980 + 1715/980 = 900 + 1715/980 = 2615/980
5. 2615/980 simplified gives 523/196
6. So, 90/98 + 35/20 = 523/196
   In mixed form: 2131/196

MathStep (Works offline)

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

Related: ⁹⁰/₉₈+⁷⁰/₂₀ ⁹⁰/₉₈+³⁵/₄₀ ⁹⁰/₉₈+³⁵/₆₀

Add Fractions Calculator