Add 7/10 and 15/9
1st number: 7/10, 2nd number: 1 6/9
7/10 + 15/9 is 71/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Add the two like fractions:
63/90 + 150/90 = 63 + 150/90 = 213/90 - 213/90 simplified gives 71/30
- So, 7/10 + 15/9 = 71/30
In mixed form: 211/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+15/9 7/10+30/9 7/20+15/9 7/10+15/18 21/10+15/9 7/10+45/9 7/30+15/9 7/10+15/27 35/10+15/9 7/10+75/9 7/50+15/9 7/10+15/45 49/10+15/9 7/70+15/9 7/10+15/63