Add 15/40 and 5/60
15/40 + 5/60 is 11/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
5/60 = 5 × 2/60 × 2 = 10/120 - Add the two like fractions:
45/120 + 10/120 = 45 + 10/120 = 55/120 - 55/120 simplified gives 11/24
- So, 15/40 + 5/60 = 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+5/60 15/40+10/60 15/80+5/60 45/40+5/60 15/40+15/60 75/40+5/60 15/40+25/60 15/40+35/60