Add 8/98 and 21/90
8/98 + 21/90 is 463/1470.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
8/98 = 8 × 45/98 × 45 = 360/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
21/90 = 21 × 49/90 × 49 = 1029/4410 - Add the two like fractions:
360/4410 + 1029/4410 = 360 + 1029/4410 = 1389/4410 - 1389/4410 simplified gives 463/1470
- So, 8/98 + 21/90 = 463/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/98+21/90 8/98+42/90 24/98+21/90 8/98+63/90 40/98+21/90 56/98+21/90