Answers

Add 15/98 and 45/63

15/98 + 45/63 is 85/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 63 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 98 × 9 = 882,
   15/98 = 15 × 9/98 × 9 = 135/882
3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
   45/63 = 45 × 14/63 × 14 = 630/882
4. Add the two like fractions:
   135/882 + 630/882 = 135 + 630/882 = 765/882
5. 765/882 simplified gives 85/98
6. So, 15/98 + 45/63 = 85/98

MathStep (Works offline)

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

Related: ³⁰/₉₈+⁴⁵/₆₃ ¹⁵/₉₈+⁹⁰/₆₃ ⁴⁵/₉₈+⁴⁵/₆₃ ⁷⁵/₉₈+⁴⁵/₆₃

Add Fractions Calculator