Add 21/98 and 5/8
21/98 + 5/8 is 47/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
5/8 = 5 × 49/8 × 49 = 245/392 - Add the two like fractions:
84/392 + 245/392 = 84 + 245/392 = 329/392 - 329/392 simplified gives 47/56
- So, 21/98 + 5/8 = 47/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+5/8 21/98+10/8 21/98+5/16 63/98+5/8 21/98+15/8 21/98+5/24 21/98+25/8 21/98+5/40 21/98+35/8 21/98+5/56