Add 15/30 and 56/98
15/30 + 56/98 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
15/30 = 15 × 49/30 × 49 = 735/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
56/98 = 56 × 15/98 × 15 = 840/1470 - Add the two like fractions:
735/1470 + 840/1470 = 735 + 840/1470 = 1575/1470 - 1575/1470 simplified gives 15/14
- So, 15/30 + 56/98 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/60+56/98 45/30+56/98 15/90+56/98 75/30+56/98