Add 7/30 and 90/9
1st number: 7/30, 2nd number: 10 0/9
7/30 + 90/9 is 307/30.
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,
7/30 = 7 × 3/30 × 3 = 21/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
90/9 = 90 × 10/9 × 10 = 900/90 - Add the two like fractions:
21/90 + 900/90 = 21 + 900/90 = 921/90 - 921/90 simplified gives 307/30
- So, 7/30 + 90/9 = 307/30
In mixed form: 107/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+90/9 7/60+90/9 7/30+90/18 21/30+90/9 7/90+90/9 7/30+90/27 35/30+90/9 7/30+90/45 49/30+90/9 7/30+90/63