Add 8/4 and 15/40
1st number: 2 0/4, 2nd number: 15/40
8/4 + 15/40 is 19/8.
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,
8/4 = 8 × 10/4 × 10 = 80/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Add the two like fractions:
80/40 + 15/40 = 80 + 15/40 = 95/40 - 95/40 simplified gives 19/8
- So, 8/4 + 15/40 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4+15/40 8/4+30/40 8/4+15/80 24/4+15/40 8/4+45/40 8/12+15/40 40/4+15/40 8/4+75/40 8/20+15/40 56/4+15/40 8/28+15/40