Answers

Add 63/98 and 40/30

1^st number: 63/98, 2^nd number: 1 10/30

63/98 + 40/30 is 83/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 30 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 98 × 15 = 1470,
   63/98 = 63 × 15/98 × 15 = 945/1470
3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
   40/30 = 40 × 49/30 × 49 = 1960/1470
4. Add the two like fractions:
   945/1470 + 1960/1470 = 945 + 1960/1470 = 2905/1470
5. 2905/1470 simplified gives 83/42
6. So, 63/98 + 40/30 = 83/42
   In mixed form: 141/42

MathStep (Works offline)

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

Related: ⁶³/₉₈+⁸⁰/₃₀ ⁶³/₉₈+⁴⁰/₆₀ ⁶³/₉₈+⁴⁰/₉₀

Add Fractions Calculator