Add 4/21 and 8/98
4/21 + 8/98 is 40/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
4/21 = 4 × 14/21 × 14 = 56/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
8/98 = 8 × 3/98 × 3 = 24/294 - Add the two like fractions:
56/294 + 24/294 = 56 + 24/294 = 80/294 - 80/294 simplified gives 40/147
- So, 4/21 + 8/98 = 40/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+8/98 4/21+16/98 4/42+8/98 12/21+8/98 4/21+24/98 4/63+8/98 20/21+8/98 4/21+40/98 28/21+8/98 4/21+56/98