Add 70/7 and 70/9
1st number: 10 0/7, 2nd number: 7 7/9
70/7 + 70/9 is 160/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
70/7 = 70 × 9/7 × 9 = 630/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
70/9 = 70 × 7/9 × 7 = 490/63 - Add the two like fractions:
630/63 + 490/63 = 630 + 490/63 = 1120/63 - 1120/63 simplified gives 160/9
- So, 70/7 + 70/9 = 160/9
In mixed form: 177/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+70/9 70/7+70/18 70/21+70/9 70/7+70/27 70/35+70/9 70/7+70/45 70/49+70/9 70/7+70/63