Add 90/5 and 56/20
1st number: 18 0/5, 2nd number: 2 16/20
90/5 + 56/20 is 104/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
90/5 = 90 × 4/5 × 4 = 360/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
56/20 = 56 × 1/20 × 1 = 56/20 - Add the two like fractions:
360/20 + 56/20 = 360 + 56/20 = 416/20 - 416/20 simplified gives 104/5
- So, 90/5 + 56/20 = 104/5
In mixed form: 204/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+56/20 90/5+56/40 90/15+56/20 90/5+56/60 90/25+56/20 90/35+56/20