Add 15/20 and 35/25
1st number: 15/20, 2nd number: 1 10/25
15/20 + 35/25 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
15/20 = 15 × 5/20 × 5 = 75/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
35/25 = 35 × 4/25 × 4 = 140/100 - Add the two like fractions:
75/100 + 140/100 = 75 + 140/100 = 215/100 - 215/100 simplified gives 43/20
- So, 15/20 + 35/25 = 43/20
In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+35/25 15/20+70/25 15/40+35/25 15/20+35/50 45/20+35/25 15/60+35/25 15/20+35/75 75/20+35/25