Add 15/40 and 2/4
15/40 + 2/4 is 7/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
2/4 = 2 × 10/4 × 10 = 20/40 - Add the two like fractions:
15/40 + 20/40 = 15 + 20/40 = 35/40 - 35/40 simplified gives 7/8
- So, 15/40 + 2/4 = 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+2/4 15/80+2/4 15/40+2/8 45/40+2/4 15/40+6/4 15/40+2/12 75/40+2/4 15/40+10/4 15/40+2/20 15/40+14/4 15/40+2/28