Add 9/7 and 80/10
1st number: 1 2/7, 2nd number: 8 0/10
9/7 + 80/10 is 65/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
9/7 = 9 × 10/7 × 10 = 90/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
80/10 = 80 × 7/10 × 7 = 560/70 - Add the two like fractions:
90/70 + 560/70 = 90 + 560/70 = 650/70 - 650/70 simplified gives 65/7
- So, 9/7 + 80/10 = 65/7
In mixed form: 92/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+80/10 9/14+80/10 9/7+80/20 27/7+80/10 9/21+80/10 9/7+80/30 45/7+80/10 9/35+80/10 9/7+80/50 63/7+80/10 9/49+80/10 9/7+80/70