Add 70/30 and 10/9
1st number: 2 10/30, 2nd number: 1 1/9
70/30 + 10/9 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
10/9 = 10 × 10/9 × 10 = 100/90 - Add the two like fractions:
210/90 + 100/90 = 210 + 100/90 = 310/90 - 310/90 simplified gives 31/9
- So, 70/30 + 10/9 = 31/9
In mixed form: 34/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+20/9 70/60+10/9 70/30+10/18 70/30+30/9 70/90+10/9 70/30+10/27 70/30+50/9 70/30+10/45 70/30+70/9 70/30+10/63