Add 3/30 and 21/98
3/30 + 21/98 is 11/35.
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,
3/30 = 3 × 49/30 × 49 = 147/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
21/98 = 21 × 15/98 × 15 = 315/1470 - Add the two like fractions:
147/1470 + 315/1470 = 147 + 315/1470 = 462/1470 - 462/1470 simplified gives 11/35
- So, 3/30 + 21/98 = 11/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+21/98 3/30+42/98 3/60+21/98 9/30+21/98 3/30+63/98 3/90+21/98 15/30+21/98 21/30+21/98