Add 9/7 and 8/70
1st number: 1 2/7, 2nd number: 8/70
9/7 + 8/70 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 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 70 × 1 = 70,
8/70 = 8 × 1/70 × 1 = 8/70 - Add the two like fractions:
90/70 + 8/70 = 90 + 8/70 = 98/70 - 98/70 simplified gives 7/5
- So, 9/7 + 8/70 = 7/5
In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+8/70 9/7+16/70 9/14+8/70 27/7+8/70 9/7+24/70 9/21+8/70 45/7+8/70 9/7+40/70 9/35+8/70 63/7+8/70 9/7+56/70 9/49+8/70