Add 9/10 and 25/45
9/10 + 25/45 is 131/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90 - Add the two like fractions:
81/90 + 50/90 = 81 + 50/90 = 131/90 - So, 9/10 + 25/45 = 131/90
In mixed form: 141/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+25/45 9/10+50/45 9/20+25/45 9/10+25/90 27/10+25/45 9/10+75/45 9/30+25/45 45/10+25/45 9/50+25/45 63/10+25/45 9/70+25/45