Add 8/10 and 42/9
1st number: 8/10, 2nd number: 4 6/9
8/10 + 42/9 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 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 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Add the two like fractions:
72/90 + 420/90 = 72 + 420/90 = 492/90 - 492/90 simplified gives 82/15
- So, 8/10 + 42/9 = 82/15
In mixed form: 57/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+42/9 8/10+84/9 8/20+42/9 8/10+42/18 24/10+42/9 8/30+42/9 8/10+42/27 40/10+42/9 8/50+42/9 8/10+42/45 56/10+42/9 8/70+42/9 8/10+42/63