Add 1/5 and 15/40
1/5 + 15/40 is 23/40.
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,
1/5 = 1 × 8/5 × 8 = 8/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Add the two like fractions:
8/40 + 15/40 = 8 + 15/40 = 23/40 - So, 1/5 + 15/40 = 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+15/40 1/5+30/40 1/10+15/40 1/5+15/80 3/5+15/40 1/5+45/40 1/15+15/40 1/5+75/40 1/25+15/40 7/5+15/40 1/35+15/40