Add 9/90 and 9/7
1st number: 9/90, 2nd number: 1 2/7
9/90 + 9/7 is 97/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
9/7 = 9 × 90/7 × 90 = 810/630 - Add the two like fractions:
63/630 + 810/630 = 63 + 810/630 = 873/630 - 873/630 simplified gives 97/70
- So, 9/90 + 9/7 = 97/70
In mixed form: 127/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+9/7 9/90+18/7 9/90+9/14 27/90+9/7 9/90+27/7 9/90+9/21 45/90+9/7 9/90+45/7 9/90+9/35 63/90+9/7 9/90+63/7 9/90+9/49