Add 28/8 and 56/35
1st number: 3 4/8, 2nd number: 1 21/35
28/8 + 56/35 is 51/10.
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,
28/8 = 28 × 35/8 × 35 = 980/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
56/35 = 56 × 8/35 × 8 = 448/280 - Add the two like fractions:
980/280 + 448/280 = 980 + 448/280 = 1428/280 - 1428/280 simplified gives 51/10
- So, 28/8 + 56/35 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+56/35 28/16+56/35 28/8+56/70 84/8+56/35 28/24+56/35 28/40+56/35 28/56+56/35