Add 14/8 and 4/21
1st number: 1 6/8, 2nd number: 4/21
14/8 + 4/21 is 163/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
14/8 = 14 × 21/8 × 21 = 294/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
4/21 = 4 × 8/21 × 8 = 32/168 - Add the two like fractions:
294/168 + 32/168 = 294 + 32/168 = 326/168 - 326/168 simplified gives 163/84
- So, 14/8 + 4/21 = 163/84
In mixed form: 179/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/8+4/21 14/8+8/21 14/16+4/21 14/8+4/42 42/8+4/21 14/8+12/21 14/24+4/21 14/8+4/63 70/8+4/21 14/8+20/21 14/40+4/21 98/8+4/21 14/8+28/21 14/56+4/21