Add 25/90 and 70/10
1st number: 25/90, 2nd number: 7 0/10
25/90 + 70/10 is 131/18.
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,
70/10 = 70 × 9/10 × 9 = 630/90 - Add the two like fractions:
25/90 + 630/90 = 25 + 630/90 = 655/90 - 655/90 simplified gives 131/18
- So, 25/90 + 70/10 = 131/18
In mixed form: 75/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+70/10 25/90+70/20 75/90+70/10 25/90+70/30 25/90+70/50