Add 7/98 and 21/45
7/98 + 21/45 is 113/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
7/98 = 7 × 45/98 × 45 = 315/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
21/45 = 21 × 98/45 × 98 = 2058/4410 - Add the two like fractions:
315/4410 + 2058/4410 = 315 + 2058/4410 = 2373/4410 - 2373/4410 simplified gives 113/210
- So, 7/98 + 21/45 = 113/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98+21/45 7/98+42/45 7/98+21/90 21/98+21/45 7/98+63/45 35/98+21/45 49/98+21/45