Add 15/10 and 2/90
1st number: 1 5/10, 2nd number: 2/90
15/10 + 2/90 is 137/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
15/10 = 15 × 9/10 × 9 = 135/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Add the two like fractions:
135/90 + 2/90 = 135 + 2/90 = 137/90 - So, 15/10 + 2/90 = 137/90
In mixed form: 147/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+2/90 15/10+4/90 15/20+2/90 45/10+2/90 15/10+6/90 15/30+2/90 75/10+2/90 15/10+10/90 15/50+2/90 15/10+14/90 15/70+2/90