Answers

Add 90/63 and 18/98

1^st number: 1 27/63, 2^nd number: 18/98

90/63 + 18/98 is 79/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   90/63 = 90 × 14/63 × 14 = 1260/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   18/98 = 18 × 9/98 × 9 = 162/882
4. Add the two like fractions:
   1260/882 + 162/882 = 1260 + 162/882 = 1422/882
5. 1422/882 simplified gives 79/49
6. So, 90/63 + 18/98 = 79/49
   In mixed form: 130/49

MathStep (Works offline)

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

Related: ⁹⁰/₆₃+³⁶/₉₈ ⁹⁰/₆₃+⁵⁴/₉₈ ⁹⁰/₆₃+⁹⁰/₉₈

Add Fractions Calculator