Add 45/5 and 7/90
1st number: 9 0/5, 2nd number: 7/90
45/5 + 7/90 is 817/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
45/5 = 45 × 18/5 × 18 = 810/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Add the two like fractions:
810/90 + 7/90 = 810 + 7/90 = 817/90 - So, 45/5 + 7/90 = 817/90
In mixed form: 97/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+7/90 45/5+14/90 45/10+7/90 45/5+21/90 45/15+7/90 45/5+35/90 45/25+7/90 45/5+49/90 45/35+7/90