Add 9/10 and 6/90
9/10 + 6/90 is 29/30.
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,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
81/90 + 6/90 = 81 + 6/90 = 87/90 - 87/90 simplified gives 29/30
- So, 9/10 + 6/90 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+6/90 9/10+12/90 9/20+6/90 27/10+6/90 9/10+18/90 9/30+6/90 45/10+6/90 9/10+30/90 9/50+6/90 63/10+6/90 9/10+42/90 9/70+6/90