Add 80/10 and 2/7
1st number: 8 0/10, 2nd number: 2/7
80/10 + 2/7 is 58/7.
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,
80/10 = 80 × 7/10 × 7 = 560/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
2/7 = 2 × 10/7 × 10 = 20/70 - Add the two like fractions:
560/70 + 20/70 = 560 + 20/70 = 580/70 - 580/70 simplified gives 58/7
- So, 80/10 + 2/7 = 58/7
In mixed form: 82/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+4/7 80/20+2/7 80/10+2/14 80/10+6/7 80/30+2/7 80/10+2/21 80/10+10/7 80/50+2/7 80/10+2/35 80/10+14/7 80/70+2/7 80/10+2/49