Add 8/10 and 84/90
8/10 + 84/90 is 26/15.
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,
8/10 = 8 × 9/10 × 9 = 72/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Add the two like fractions:
72/90 + 84/90 = 72 + 84/90 = 156/90 - 156/90 simplified gives 26/15
- So, 8/10 + 84/90 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+84/90 8/20+84/90 24/10+84/90 8/30+84/90 40/10+84/90 8/50+84/90 56/10+84/90 8/70+84/90