Add 8/10 and 90/7
1st number: 8/10, 2nd number: 12 6/7
8/10 + 90/7 is 478/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
8/10 = 8 × 7/10 × 7 = 56/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
90/7 = 90 × 10/7 × 10 = 900/70 - Add the two like fractions:
56/70 + 900/70 = 56 + 900/70 = 956/70 - 956/70 simplified gives 478/35
- So, 8/10 + 90/7 = 478/35
In mixed form: 1323/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+90/7 8/20+90/7 8/10+90/14 24/10+90/7 8/30+90/7 8/10+90/21 40/10+90/7 8/50+90/7 8/10+90/35 56/10+90/7 8/70+90/7 8/10+90/49