Add 2/8 and 28/35
2/8 + 28/35 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
2/8 = 2 × 35/8 × 35 = 70/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
28/35 = 28 × 8/35 × 8 = 224/280 - Add the two like fractions:
70/280 + 224/280 = 70 + 224/280 = 294/280 - 294/280 simplified gives 21/20
- So, 2/8 + 28/35 = 21/20
In mixed form: 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+28/35 2/8+56/35 2/16+28/35 2/8+28/70 6/8+28/35 2/8+84/35 2/24+28/35 10/8+28/35 2/40+28/35 14/8+28/35 2/56+28/35