Add 75/70 and 6/9
1st number: 1 5/70, 2nd number: 6/9
75/70 + 6/9 is 73/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
6/9 = 6 × 70/9 × 70 = 420/630 - Add the two like fractions:
675/630 + 420/630 = 675 + 420/630 = 1095/630 - 1095/630 simplified gives 73/42
- So, 75/70 + 6/9 = 73/42
In mixed form: 131/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70+12/9 75/70+6/18 75/70+18/9 75/70+6/27 75/70+30/9 75/70+6/45 75/70+42/9 75/70+6/63