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