Add 28/5 and 28/40
1st number: 5 3/5, 2nd number: 28/40
28/5 + 28/40 is 63/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
28/5 = 28 × 8/5 × 8 = 224/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Add the two like fractions:
224/40 + 28/40 = 224 + 28/40 = 252/40 - 252/40 simplified gives 63/10
- So, 28/5 + 28/40 = 63/10
In mixed form: 63/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+28/40 28/5+56/40 28/10+28/40 28/5+28/80 84/5+28/40 28/5+84/40 28/15+28/40 28/25+28/40 28/35+28/40