Add 25/20 and 15/35
1st number: 1 5/20, 2nd number: 15/35
25/20 + 15/35 is 47/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
25/20 = 25 × 7/20 × 7 = 175/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
15/35 = 15 × 4/35 × 4 = 60/140 - Add the two like fractions:
175/140 + 60/140 = 175 + 60/140 = 235/140 - 235/140 simplified gives 47/28
- So, 25/20 + 15/35 = 47/28
In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+15/35 25/20+30/35 25/40+15/35 25/20+15/70 75/20+15/35 25/20+45/35 25/60+15/35 25/20+75/35