Add 28/8 and 9/5
1st number: 3 4/8, 2nd number: 1 4/5
28/8 + 9/5 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 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 5 × 8 = 40,
9/5 = 9 × 8/5 × 8 = 72/40 - Add the two like fractions:
140/40 + 72/40 = 140 + 72/40 = 212/40 - 212/40 simplified gives 53/10
- So, 28/8 + 9/5 = 53/10
In mixed form: 53/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+9/5 28/8+18/5 28/16+9/5 28/8+9/10 84/8+9/5 28/8+27/5 28/24+9/5 28/8+9/15 28/8+45/5 28/40+9/5 28/8+9/25 28/8+63/5 28/56+9/5 28/8+9/35