Add 25/90 and 20/10
1st number: 25/90, 2nd number: 2 0/10
25/90 + 20/10 is 41/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
20/10 = 20 × 9/10 × 9 = 180/90 - Add the two like fractions:
25/90 + 180/90 = 25 + 180/90 = 205/90 - 205/90 simplified gives 41/18
- So, 25/90 + 20/10 = 41/18
In mixed form: 25/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+20/10 25/90+40/10 75/90+20/10 25/90+60/10 25/90+20/30 25/90+20/50 25/90+20/70