Add 25/30 and 35/98
25/30 + 35/98 is 25/21.
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,
25/30 = 25 × 49/30 × 49 = 1225/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
35/98 = 35 × 15/98 × 15 = 525/1470 - Add the two like fractions:
1225/1470 + 525/1470 = 1225 + 525/1470 = 1750/1470 - 1750/1470 simplified gives 25/21
- So, 25/30 + 35/98 = 25/21
In mixed form: 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+35/98 25/30+70/98 25/60+35/98 75/30+35/98 25/90+35/98