Add 28/8 and 4/10
1st number: 3 4/8, 2nd number: 4/10
28/8 + 4/10 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
28/8 = 28 × 5/8 × 5 = 140/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
4/10 = 4 × 4/10 × 4 = 16/40 - Add the two like fractions:
140/40 + 16/40 = 140 + 16/40 = 156/40 - 156/40 simplified gives 39/10
- So, 28/8 + 4/10 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+4/10 28/8+8/10 28/16+4/10 28/8+4/20 84/8+4/10 28/8+12/10 28/24+4/10 28/8+4/30 28/8+20/10 28/40+4/10 28/8+4/50 28/8+28/10 28/56+4/10 28/8+4/70