Add 15/20 and 35/10
1st number: 15/20, 2nd number: 3 5/10
15/20 + 35/10 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
15/20 = 15 × 1/20 × 1 = 15/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
35/10 = 35 × 2/10 × 2 = 70/20 - Add the two like fractions:
15/20 + 70/20 = 15 + 70/20 = 85/20 - 85/20 simplified gives 17/4
- So, 15/20 + 35/10 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+35/10 15/20+70/10 15/40+35/10 15/20+35/20 45/20+35/10 15/60+35/10 15/20+35/30 75/20+35/10 15/20+35/50 15/20+35/70