Add 56/5 and 90/18
1st number: 11 1/5, 2nd number: 5 0/18
56/5 + 90/18 is 81/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
56/5 = 56 × 18/5 × 18 = 1008/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Add the two like fractions:
1008/90 + 450/90 = 1008 + 450/90 = 1458/90 - 1458/90 simplified gives 81/5
- So, 56/5 + 90/18 = 81/5
In mixed form: 161/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+90/18 56/5+90/36 56/15+90/18 56/5+90/54 56/25+90/18 56/35+90/18