Answers

Add 90/18 and 63/98

1^st number: 5 0/18, 2^nd number: 63/98

90/18 + 63/98 is 79/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 18 × 49 = 882,
   90/18 = 90 × 49/18 × 49 = 4410/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   63/98 = 63 × 9/98 × 9 = 567/882
4. Add the two like fractions:
   4410/882 + 567/882 = 4410 + 567/882 = 4977/882
5. 4977/882 simplified gives 79/14
6. So, 90/18 + 63/98 = 79/14
   In mixed form: 59/14

MathStep (Works offline)

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

Related: ⁹⁰/₃₆+⁶³/₉₈ ⁹⁰/₅₄+⁶³/₉₈

Add Fractions Calculator