Add 14/8 and 3/21
1st number: 1 6/8, 2nd number: 3/21
14/8 + 3/21 is 53/28.
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,
3/21 = 3 × 8/21 × 8 = 24/168 - Add the two like fractions:
294/168 + 24/168 = 294 + 24/168 = 318/168 - 318/168 simplified gives 53/28
- So, 14/8 + 3/21 = 53/28
In mixed form: 125/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/8+3/21 14/8+6/21 14/16+3/21 14/8+3/42 42/8+3/21 14/8+9/21 14/24+3/21 14/8+3/63 70/8+3/21 14/8+15/21 14/40+3/21 98/8+3/21 14/56+3/21