Add 21/49 and 6/8
21/49 + 6/8 is 33/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
21/49 = 21 × 8/49 × 8 = 168/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
6/8 = 6 × 49/8 × 49 = 294/392 - Add the two like fractions:
168/392 + 294/392 = 168 + 294/392 = 462/392 - 462/392 simplified gives 33/28
- So, 21/49 + 6/8 = 33/28
In mixed form: 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/49+6/8 21/49+12/8 21/98+6/8 21/49+6/16 63/49+6/8 21/49+18/8 21/49+6/24 21/49+30/8 21/49+6/40 21/49+42/8 21/49+6/56