Add 20/5 and 6/90
1st number: 4 0/5, 2nd number: 6/90
20/5 + 6/90 is 61/15.
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,
20/5 = 20 × 18/5 × 18 = 360/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
360/90 + 6/90 = 360 + 6/90 = 366/90 - 366/90 simplified gives 61/15
- So, 20/5 + 6/90 = 61/15
In mixed form: 41/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+6/90 20/5+12/90 20/10+6/90 60/5+6/90 20/5+18/90 20/15+6/90 20/5+30/90 20/25+6/90 20/5+42/90 20/35+6/90