Add 5/15 and 5/40
5/15 + 5/40 is 11/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
5/15 = 5 × 8/15 × 8 = 40/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Add the two like fractions:
40/120 + 15/120 = 40 + 15/120 = 55/120 - 55/120 simplified gives 11/24
- So, 5/15 + 5/40 = 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15+5/40 5/15+10/40 5/30+5/40 5/15+5/80 5/15+15/40 5/45+5/40 25/15+5/40 5/15+25/40 5/75+5/40 35/15+5/40 5/15+35/40