Answers

Add 45/98 and 90/28

1^st number: 45/98, 2^nd number: 3 6/28

45/98 + 90/28 is 180/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 28 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 98 × 2 = 196,
   45/98 = 45 × 2/98 × 2 = 90/196
3. Likewise, for the 2nd fraction, since 28 × 7 = 196,
   90/28 = 90 × 7/28 × 7 = 630/196
4. Add the two like fractions:
   90/196 + 630/196 = 90 + 630/196 = 720/196
5. 720/196 simplified gives 180/49
6. So, 45/98 + 90/28 = 180/49
   In mixed form: 333/49

MathStep (Works offline)

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

Related: ⁹⁰/₉₈+⁹⁰/₂₈ ⁴⁵/₉₈+⁹⁰/₅₆ ⁴⁵/₉₈+⁹⁰/₈₄

Add Fractions Calculator